I will give 5 stars, thanks, and Branliest if there are two answers!!


How is the streak color of a mineral best tested?

Answers

Answer 1

Answer:

a mineral is scraped or rubbed hardly on sandpaper or unglazed porcelain

( please mark me as brainliest that would be most appreiciated )

Answer 2

Answer:

The streak test is done by scraping a specimen of the mineral across a piece of unglazed porcelain known as a " streak plate."

Explanation:

The "streak test" is a method used to determine the color of a mineral in powdered form. The color of a mineral's powder is often a very important property for identifying the mineral. The streak test is done by scraping a specimen of the mineral across a piece of unglazed porcelain known as a " streak plate."


Related Questions

During which two months do both the Northern and Southern Hemispheres receive the same amount of energy from
the Sun?
O December and June
O January and July
March and September
O May and November

Answers

Answer:

March and September

Explanation:

It is true because neither end of the axis is tilted toward the sun in those months. They are in spring and autumn, which are balanced unlike winter and summer. Hope this helps!

March and September is when the northern and Southern Hemisphere receives the same amount of energy from the sun

all organism are created of cell?

Answers

hiiiibv ratr bnmgbjmm

Explanation

Answer:

yes

Explanation:

PLEASE HELP!! IS A SEMESTER TEST!!! GIVING AS MANY POINTS AS I CAN!!


What process is this?

1) alcoholic fermentation
2) glycolysis
3) Krebs cycle
4) ETS reactions
Thank You!

Answers

Answer: OPTION 3, krebs cycle is the answer

Answer: The answer would be Krebs cycle

Why is it that duck-billed platypus is classified as a mammal ​

Answers

Answer:

The platypus is classed as a mammal because it has fur and feeds its young with milk. It flaps a beaver-like tail. But it also has bird and reptile features — a duck-like bill and webbed feet, and lives mostly underwater. Males have venom-filled spurs on their heels.

The answer above is better but also because it doesn’t lay eggs hope this helps too

Which is the proper order for blood traveling through the systemic circuit? venae cavae Right arrow. arteries Right arrow. venules Right arrow. capillaries Right arrow. arterioles Right arrow. veins Right arrow. aorta venae cavae Right arrow. arteries Right arrow. arterioles Right arrow. capillaries Right arrow. venules Right arrow. veins Right arrow. aorta aorta Right arrow. arterioles Right arrow. arteries Right arrow. capillaries Right arrow. veins Right arrow. venules Right arrow. venae cavae aorta Right arrow. arteries Right arrow. arterioles Right arrow. capillaries Right arrow. venules Right arrow. veins Right arrow. venae cavae

Answers

Answer: its the second option

The right answer is option 2

how to remember animal tissue with mnemonics to remember ?​

Answers

Answer:

kkkhknnoiioiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii

Explanation:

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species. Mnemonic Device (for taxonomy order): King Phillip Came Over From Great Spain Alternative Mnemonics: Determined, Kind People Can Often Follow Ghostly Screams Did King Phillip Cry Out “For Goodness Sakes!”?

How would Earth most likely change if the amount of greenhouse gasses continued to increase?
A Glacier size would increase.
B Air pollution would decrease.
C Global temperatures would increase.
D) Ocean levels would decrease.

Answers

Answer:

C. Global temperatures would increase

Explanation:

greenhouse gases affect temperature, so, it would be C.

Have a great day

answer : c
explanation cause i know it’s c

Some individuals have a condition in which their bodies are unable to properly produce the protein myosin. What is one likely effect of this condition? muscular weakness hardened ligaments decreased nutrient absorption build up of urine in the kidneys

Answers

Answer:

Chronic Kidney Disease - Learn about the causes, symptoms, diagnosis ... Chronic kidney disease is a slowly progressive (months to years) decline in the kidneys' ability ... the kidneys cannot absorb water from the urine to reduce the volume of urine ... in the blood can damage nerve cells in the brain, trunk, arms, and legs

Answer:

weakness, affected individuals may start walking later than usual and have a waddling gait, trouble climbing stairs, and difficulty lifting the arms above shoulder level.

Explanation:

The signs and symptoms of myosin storage myopathy usually become noticeable in childhood, although they can occur later. Because of muscle weakness, affected individuals may start walking later than usual and have a waddling gait, trouble climbing stairs, and difficulty lifting the arms above shoulder level.

Up until now, no characteristics or qualities have been assigned to the predators and prey. Suggest a trait of the prey and a trait of the predators that might account for the results of your model. How do the results of your model help explain the process of natural selection in a predator-prey relationship?

Answers

Answer:

Predator foraging traits include;

body size (mass or length), gape size, hunting or foraging mode (for example, ambush or active hunting), and feeding mode (for example, chewing or suctorial) .

Prey vulnerability traits include;

body size (length and mass), body shape, defense (for example, physical or chemical protection), ability to avoid detection (crypsis or camouflage), mobility, ability to recognize and detect predators, and evasive or escape behavior (which can be elicited by physiological trait responses.

But whether or not predators engage with prey, or prey respond to predators in the first place, depends fundamentally on their relative body sizes (or predator gape and prey body shape). Pursuing prey that are too large or cumbersome can be harmful or energetically costly to predators, and pursuing prey that are too small may not be worth the energetic return.

As these populations continue to reproduce over time, the actions of natural selection can also change the species to make them better predators, or more defensive prey. Either way, this adaptation changes the entire predator prey dynamic. If one species cannot then adapt an appropriate defense, they may go extinct.

Explanation:

Hope it helps.

A predator is an organism that eats another organism. The prey is the organism which the predator eats. Some examples of predator and prey are lion and zebra, bear and fish, and fox and rabbit.

are mutations good or bad

Answers

Answer: Mutations can be good or bad.  

Explanation:

Both. Mutations can be good because it can help the species evolve to make survival easier. But they can also be bad because they can cause the opposite to happen.

why should gender selection be illegal

Answers

Gender selection should be illegal because god made you the gender that you are for a reason. Two it cost a lot of money. Three why can’t you just be happy with yourself.
it shouldn’t be illegal because people can change their gender however they want. if that’s what makes them happy then it’s there choice to do whatever they like with themselves and their money.

Hyponatremia is a condition in which the sodium in the blood is too low. Uncontrolled spasms, which are sudden, involuntary contractions of muscles, are among the symptoms of hyponatremia. Why do they occur?
A.
Sodium is needed to generate an action potential.
B.
Sodium makes up most of the myelin sheath.
C.
Sodium is the signaling molecule that transmits impulses across a synapse.
D.
Sodium controls voluntary movement, and potassium controls involuntary movement.
Reset Next

Answers

Answer:

Option A. Sodium is needed to generate an action potential.

Explanation:

Action potentials are generated by the special types of the voltage-gated channels which are embedded in the plasma membrane of the cell.

These channels are shut when the membrane potential is near zero and the voltage-gated channels open only when the membrane potential is more than the threshold voltage.

When the channels are open then they allow the flow of sodium ions which ultimately changes the electrochemical gradient which rises the membrane potential. This rise in membrane potential generates the action potential.

The correct answer would be A

Hyponatremia is a condition in which the sodium in the blood is too low. Uncontrolled spasms, which are sudden, involuntary contractions of muscles, are among the symptoms of hyponatremia. Why do they occur? A. Sodium is needed to generate an action potential. B. Sodium makes up most of the myelin sheath. C. Sodium is the signaling molecule that transmits impulses across a synapse. D. Sodium controls voluntary movement, and potassium controls involuntary movement. Reset Next

Answers

Answer:

A. Sodium is needed to generate an action potential.

Explanation:

Action potentials are generated by the special types of the voltage-gated channels which are embedded in the plasma membrane of the cell.

These channels are shut when the membrane potential is near zero and the voltage-gated channels open only when the membrane potential is more than the threshold voltage.

When the channels are open then they allow the flow of sodium ions which ultimately changes the electrochemical gradient which rises the membrane potential. This rise in membrane potential generates the action potential.

The availability of resources affect the carrying capacity of ecosystems.
A True
B False

Answers

Answer:

True

Explanation:

If you have a limited supply of something many people/ or things use, and they can't get it, it may affect the carrying of the ecosystems. Hope you have a great day

It would be true because living and none living things need resources to grow and survive

Many farmers and gardeners compost their plant and animal waste. The living material naturally decays in compost bins, forming a dirt-like substance that’s rich in nutrients. The next season, farmers use this substance as a natural fertilizer for their crops. A biology student has grown tomato plants for several years. Until now, he used an artificial fertilizer formulated for tomato plants. This fertilizer caused his plants to grow faster and taller than they grew in unfertilized soil. The student wants to know whether using natural compost will cause his tomato plants to grow faster and taller than his artificial fertilizer. How does the design of your experiment control for outside factors that may affect the results?

Answers

Answer:

yes the fertile soil will grow faster and taller

Explanation:

the fertile soil will grow faster because  it has what the plant needs

The fertilizer will make it grow faster and always taller so yes indeed:)

Question 1 (True/False Worth 2 points)
(04.02 LC)
During photosynthesis, light energy is converted to chemical energy.
True
False

Answers

Answer:

True

Explanation:

the thermal engery from light makes the plant go through a proccess that make glucose aka chemical energy

The answer is true.

Hallucinogens affect which neurotransmitters in the brain?

Answers

Answer:

Baby look here ⬇

Explanation:

s are thought troduce their perception-altering effects by acting on neural circuits in the brain that use the neurotransmitter serotonin

I hope my answer will serve you

Answer:

Serotonin

Explanation:

I WILL GIVE BRAINLIEST AND THANKS




Different ways of transforming energy have different environmental effects. Which of the following is a waste problem of nuclear power that does not occur with coal-burning power plants? A. acid rain gases being produced B. radioactive wastes that can last thousands of years C. carcinogenic fumes that must be discarded D. water contamination caused by harmful by-products

Answers

Answer:

B. Radioactive wastes that can last thousands of years

Explanation:

Nuclear power can create radioactive wastes that last thousands of years.

The answer is B because radioactive watses that can last thousands of years is a waste problem that does not occur with coal-burning power plants

6. A relationship between 2 species, 1 species benefits and the host is harmed.
a. symbiosis
b. mutualism
commensalism
d parasitism

Answers

Answer:

symbiosis

Explanation:

Symbiosis is a close relationship between two species in which at least one species benefits.Parasitism is an example of symbiotic relationship in which one species (the parasite) benefits while the other species (the host) is harmed.

Answer:

your answer is d) paratism

Explanation:

what is the out group of this cladogram

Answers

Answer:ur answer is protozoa

Explanation:

In cladistics or phylogenetics, an outgroup is a more distantly related group of organisms that serves as a reference group when determining the evolutionary relationships of the ingroup, the set of organisms under study, and is distinct from sociological outgroups.

The out group in this cladogram is protozoa that is distantly related to the other organism s in the given cladogram.

The out group is a creature that is only distantly connected to the other creatures on the cladogram. The out group, which is commonly assumed to represent the ancestral situation from which the organisms in the cladogram later evolved, contributes to the tree's roots.

The organisms in the in-group are connected to one another. The cladogram is founded on the introduction of a distantly related creature known as the out group. The out group is frequently represented by a single branch on the cladogram.

Out group is an evolutionary phrase that refers to a taxon or lineage that is not part of the taxon group being examined.

Thus, the out group in this cladogram is protozoa.

Learn more about cladogram, here:

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*ANSWER PLEASE TY* In some cases, water shortage is caused by lack of shade resulting in ponds drying up. What human activity causes this? a.) air pollution b.) water pollution c.) deforestation

Answers

Answer:

c.) deforestation

Explanation:

"Lack of shade" means that the ponds no longer have enough coverage over them such that the sun shines strong above the river causing it to dry up. Trees are mostly huge tall and are very likely to provide shade for the river originally, and since deforestation means the mass cutting down of trees, the answer is c.

Answer:

deforestation

Explanation:

The diagram below shows the first four steps of meiosis. What is happening
in the step labeled A?
Meiosis I
88
B
С
O A. Spindle fibers are moving the chromosomes to the center of the
cell.
O B. Mitotic spindles and spindle fibers are forming
O C. Spindle fibers are pulling the tetrads apart.
O D. The chromosomes are copied and form tetrads.

Answers

Answer:

B. Mitotic spindles and spindle fibers are forming

Explanation:

*PLEASE ANSWER TY* Which gas makes up the majority of air pollutants? a.) sulfuric acid b.) sodium hydroxide c.) carbon monoxide

Answers

Answer:

carbon monoxide

Explanation:

sulfuric acid is litterally acid

sodium hydroxide..... common now

Carbon monoxide (c.) is the gas that makes up the majority of air pollutants.

What is carbon mono oxide?

Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is produced by the incomplete combustion of carbon-containing fuels, such as gasoline, natural gas, coal, and wood. It is a highly toxic gas and can be harmful to both humans and animals.

When inhaled, carbon monoxide enters the bloodstream and binds to hemoglobin, the molecule responsible for carrying oxygen to body tissues. This binding affinity is much stronger than that of oxygen, resulting in reduced oxygen delivery to organs and tissues. As a result, exposure to high levels of carbon monoxide can lead to symptoms such as headache, dizziness, nausea, confusion, and in severe cases, loss of consciousness and death.

Carbon monoxide is a significant air pollutant, often found in areas with heavy traffic, industrial emissions, and improper ventilation. It is important to have proper ventilation systems and to use carbon monoxide detectors to minimize the risk of exposure to this dangerous gas.

Learn more about air pollutants, here:

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Which list shows levels of organization from smallest to largest? cardiac muscle, specialized cells, heart heart, specialized cells, cardiac muscle cardiac muscle, heart, specialized cells specialized cells, cardiac muscle, heart

Answers

The order of levels of organization from smallest to largest is Specialized Cells, Cardiac Muscle, Heart.

Answer:D

Explanation:

which is an involuntary muscle: abdominal muscle or intestinal muscle??

Answers

The intestinal muscle is involuntary. It is smooth muscle

The abdominal muscle is skeletal muscle and is voluntary.

Happy to help!

Answer:

intestinal muscle is the answer

hope it helps

Uses of microorganisms as Biotechnology include which of the following?

Answers

Answer:

Explanation:

question not complete bro

]

This question is not complete

*PLEASE ANSWER* How can someone live smarter to reduce his/her carbon footprint? a.) live in a smart community b.) buy inefficient appliances c.) use incandescent bulbs

Answers

Answer:

a.) live in a smart community

Explanation:

A standard incandescent light burns through 50 watts of electricity per hour. Replacing an incandescent bulb with an LED bulb can save 6 tons of household emissions per year. Saving 6 tons of carbon emissions is the same as reducing your gas consumption by 700 gallons. (proving b wrong)

you can help reduce your carbon footprint and other greenhouse gases by using energy-efficient home appliances since they have lower emissions of harmful gases into the environment. (proving c wrong)

the answer is a. love in a smart community, by doing this they will use appliances that don’t affect the environment as badly as others

What kind of cells can develop from unipotent stem cells?

Answers

Answer:

Unipotent stem cells are capable of differentiating into only one mature, terminally differentiated cell type. Spermatagonial stem cells are unipotent and only capable of developing into sperm cells.

Lymphoid progenitor cells can develop into T cells and B cells. Unipotent stem cells are capable of differentiating into only one mature, terminally differentiated cell type. Spermatagonial stem cells are unipotent and only capable of developing into sperm cells.

Which of these statements expresses a scientific theory?
A. The leaves of all plants consist of several kinds of cells.
B. Cells that lack a nucleus are usually smaller than cells with a
nucleus.
C. An unidentified material that consists of cells must be from a
living organism
D. The cell is the basic structural and functional unit of living
organisms

Answers

Answer:

The correct answer is C.

Explanation:

An unidentified material that consists of cells must be from a

living organism.

It sounds more like an theory.

The cell is the basic structural and functional unit of living organisms

50 points! pls help!

Answers

Answer:

1. Latitude. Kuala Lumpur is located in the equatorial zone, near the equator, so it receives a lot of sun for the  entire year, and this explains its warm climate.

2. The main reason for this difference is the altitude: while Minsk is located at 280 meters over the sea level, Banff is located at approximately 1400 meters over the sea level. As the altitude is higher, the average temperature is lower.

3. Jakarta: in fact, it is located at a similar altitude of Kuala Lumpur (just in the opposite hemisphere), in the equatorial zone, while Baltimore is located much more north, so in a colder region.

4. Because they are located at approximately same latitude (just in the opposite hemisphere), so they are more or less same distance from the equator, and they receive more or less same amount of sun light, therefore they have similar climate.

1. it is Latitude. Kuala Lampur is located in the equatorial zone, (near the equator,) so it receives a lot of sun for the  entire year, and this explains its warm climate.

2. The main reason for this difference is the altitude: while Minsk is located at 280 meters over the sea level, Banff is located at approximately 1400 meters over the sea level. As the altitude is higher, the average temperature is lower.

3. which is closer to Jakarta  :   it is located at a similar altitude of Kuala Lampur (just in the opposite hemisphere),also  in the equatorial zone, while Baltimore is actually  located much more north, so its in a colder region.

4. Because they are located at approximately the same latitude (except just in the opposite hemisphere), so they are around the  same distance from the equator, and they receive around the  same amount of sun light, therefore they have pretty similar climate.

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