A student is trying to classify an unidentified, solid gray material as a metal or a nonmetal. Which question will best help the student classify the material? A. Is the material malleable or ductile?
B. Does the material feel hard to the touch?
C. Will the material float in water?
D. Does the material feel rough or smooth?

Answers

Answer 1

Answer:

A - Is the material malleable or ductile?

Explanation:


Related Questions

What two enzymes are used during replication and what does each do?

Answers

Answer:

The two enzymes that are used during DNA replication is helicase and polymerase. Each enzyme has distinct role that made it a vital part of the replication. In the course of DNA replication, the initial stage is to unzip the double helix structure of the DNA molecule by the enzyme helicase, which breaks the hydrogen bonds that holds the complementary bases of DNA.

Moreover, the DNA polymerase has the ability to exactly copy a DNA template. This enzyme binds to the leading strand and then adding a new complementary nucleotide bases to the DNA strand. In addition, it catalyzes the joining of deoxyribonucleoside 5′-triphosphates (dNTPs) to form the increasing DNA chain.

Explanation:

helicase and polymerase

WILL MARK BRAINLIEST AND GIVE A LOTTA POINTS
Solve the chemical equation:
Fe203 + HNO3 --> ?
Can anyone please balance it and do it on paper
THANKS WILL BE HELPFUL A LOT

Answers

Answer:

The answer is in picture

NOOOOO LINKKKKSSSWhat biome do we live in?
A. Tropical forests
B. Temperate forests
C. Grasslands
D. Mountains
E. Oceans
F. Wetlands

Srry bout the last one

Answers

Answer:

it depends where you live really... lol

A tropical forests you know the vibes

Write an explanation of the relationship between genes, proteins, and traits for the Blue Lobster.

You may think of a lobster as red, but about 1 in every 2 million lobsters is blue! This blue color is the result of a mutation in the lobster’s genes. The mutation causes the lobster to make an extra amount of a protein called astaxanthin. This protein is usually important for the red color that you see when the lobster is cooked, but in excess amount, makes the lobster blue.

Answers

Answer: The lobster's blue coloration is a result of a genetic defect that causes the lobster to produce more of a certain protein than normal.

write a sentence that describes how the flow of liquid with low viscosity differs from the flow of a liquid with high viscosity

Answers

[] Hello ! []

Answer:

Fluids with low viscosity have a low resistance and shear easily and the molecules flow quickly; high viscosity fluids move sluggishly and resist deformation. Some liquids, like pitch, glass and peanut butter, have such high viscosity they behave like solids.

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I hope this helped! Brainliest appreciated :D

⊕If this answer is wrong or displeases you, please tell me in the comments I would like to know.⊕

Thank you have a wonderful and blessed day!

-- Juri Davis

Answer:

Fluids with low viscosity have a low resistance and shear easily and the molecules flow quickly; high viscosity fluids move sluggishly and resist deformation. Some liquids, like pitch, glass and peanut butter, have such high viscosity they behave like solids.

Explanation:

yo pls help All organisms have a barrier that separates their internal environment from the outside world. Which of the following organ systems forms a barrier between the internal and external environments for humans? A. integumentary system B. circulatory system C. nervous system D. excretory system

Answers

Answer:

c

Explanation:

Answer:

That would be the Integumentary system.

Explanation:

The integumentary system is the system of the body that produces hair, skin, etc.

please do this please please it depends on my grades

Answers

Answer:

I think it's

Explanation:

It's A and C

I guess...

Sry if I'm wrong

It is A, i hope this helps

PLZ HELP NO LINKS PLZ Why does cutting down trees increase global warming?



Trees soak up carbon dioxide from the air.


Trees provide shade, which counteracts global warming.


Trees absorb the sun's energy without radiating it back into the atmosphere.


Trees drain greenhouse gases like methane from the

soil.

Answers

Answer:

Trees remove CO2 from the atmosphere when they photosynthesise, so without them less CO2 is removed. So deforestation means more CO2 in the atmosphere which leads to global warming. ..

HOPE IT IS HELPFUL FOR YOU

5-8 complete sentences paragraph, explaining why you would want to make a change to help our ecosystems. (including a change you think would help our ecosystems)

Answers

Global warming affects many processes in biological ecosystems. Different species of flora and fauna change their habitats and geographical areas according to climate change and specific geographical environments. Areas of occurrence of specific species, for example insects in terrestrial areas and fish and arthropods in the seas and oceans, change. Bird habitats change, so migrations of some bird species may also be subject to modification. In the situation when forest areas dry out and turn into steppes and deserts, changes in natural habitats and areas of occurrence of species change and concern simultaneously many species of flora and fauna.

Fill in the blank.



5. The reaction of a metal with oxygen to form rust is called .
6. A material that is can be hammered into thin sheets and other
shapes.
7. The ability to transmit heat or electricity to other objects is called
.
8. A material that is can be drawn into a wire.
9. is the ease and speed with which an element combines with
other substances.

Answers

5. Oxidation
6. Malleable
7. Conductivity
8. Ductile
9. Chemical Properties
5.)-Oxidation
6.)-Malleable metals
7.)-Conductivity
8.)-Ductile
9.)-Chemical properties

Nitrogen gas can be prepared by passing gaseous ammonia over solid copper (II) oxide at high temperatures. If 18.1 g of Nh3 is reacted with 90.4 g of CuO, which is the limiting reactant? How many grams of N2 will be formed? Explain how you solved for your answers.

Unbalanced equation: NH3 + CuO = N2(g) + Cu + H2O

Answers

Answer:

Explanation:546

What type and how many atoms is ethyl butyrate made of?

Answers

Answer: 45

Explanation: thats what i have in my notes

On the following periodic table of elements, what do these colors represent?

blue - -Nonmetals
red- -Metals
yellow- -Metalloids

Answers

Answer:

blues are nonmetals (gas)

yellows are metalloids (liquids)

reds are metals (solids)

Explanation:

good luck, hope this helped <3

nonmetals are gas metalloids are liquids and metals are solid

At 25 °C with 10 g/kg of water vapor in the air, precipitation is likely or not likely.

Answers

Answer:

Not likely

Explanation:

It would only be likely if the humidity was high enough to rain.

so, it is not likely

Not likely ............

What kind of chemical reaction occurs when fossil fuels and biomass are burned? What is produced in addition to energy?

please answer the second part of the question asking, "What is produced in addition to energy?"

Answers

Carbon dioxide is produced

2 examples of when scientists used space probe technology to find out more about comets.

Answers

A space probe is an unpiloted, unmanned device sent to explore space and gather scientific information. A space probe is launched from Earth with a set of scientific instruments and tools used to study the atmosphere and composition of space and other planets, moons, or celestial bodies. A probe may operate far out in space, or it may orbit or land on a planet or a moon. It may make a one-way journey, or it may bring samples and data back to Earth. Most probes transmit data from space by radio. There are different types of space probes because they collect different science information about very different environments. The probes must be able to withstand the various extreme environments to collect data. Humans have been sending space probes into space since the 1950s. The next generation of probes will study samples taken from comets, asteroids, and eventually Mars.

In order to expand agriculture and urban areas to meet increased demand for growing populations, water supplies often have to be diverted. In three to five sentences, construct a potential chain of consequences for what could happen when water is diverted from large bodies like lakes and rivers.

thank u :]

Answers

answer:

lets say we have a big lake with a lot of animals and you want to move the water to somewhere else. A lot of animals and fish, frogs will have to find a new home!

NEED HELP FAST
Identify whether this molecule is a monomer or polymer and explain your answer.

Answers

ITS A POLYMER OODBZBS

Its a polymer because there are two of the same monomer (and the CH2OH which is different) that join together to create the one polymer. By definition a polymer is a molecule made up of smaller repeating monomers.

Please answer the question in the image provided

Answers

Answer:

Gold

Explanation:

In order to find the density, just divide the mass by volume using the formula d=m/v.

d = m/v

d = 38.6/ 2cm^3

19.3 = 38.6/2cm^3

Look back at your chart and see which substance is 19.3, which is gold

The answer would be gold

CAN SOMEONE PLEASEE HELPPP
Samira watched a demonstration in which a scientist combined two substances in a sealed container and analyzed the results. The ending substances did not look the same as the starting substances.

Samira was given a diagram with the repeating groups of atoms that make up the starting substances, plus information about the properties of the starting and ending substances. She created a model of the repeating groups of atoms that might make up the two ending substances.

A.) Does her model correctly show why the properties of the ending substances are different from the properties of the starting substances?

B.) Describe what could be correct or incorrect about her model

Look at the diagram below then write your answer to question 13 part "A" and "B".
THIS IS NOT A MULTIPLE CHOICE QUESTIONS YOU NEED TO ANSWER BOTH QUESTIONS
thanks

Answers

Answer:

hope its not to late..............Samira's model correctly demonstrates how the properties changed with the rearrangement of the atoms. However not all atoms are accounted for. There is a missing reactant. Samira's model correctly demonstrated how the atoms in two compounds reacted to form two new products. However, the elements present in the reactants side should be the elements that make up the new products in the product side. But as the diagram shows, Sameera has mistakenly added a new element to one of her products which will be wrong.

Explanation:


Why do scientists track virus mutations and how might tracking these variants be helpful in preventing and treating the virus?(coronavirus)

Answers

Answer:

Different variants = certain symptoms and effects of the virus that cannot be prevented by the "basic" or "original" vaccine. So tracking the different variants would allow scientists to also account for those effects when creating a 2.0 vaccine or treatment.

Scientists track the coronavirus and its mutations around the world to study and fight it properly.

The coronavirus is a virus that became a pandemic during 2020 that spread throughout most of the planet, infecting millions of people. People who acquired the virus had symptoms of respiratory infection such as

CoughTrustworthyBody painChillLoss of smell

In its expansion, the virus mutated into different variables, this meant a challenge for the scientists in charge of combating it because its variables could have characteristics of the first variant, making it more difficult to eliminate.

Therefore, the scientists emphasized protection to avoid contagion and the variants that emerged were studied in depth to verify that the treatments that were being developed worked for all the variants.

Learn more in: https://brainly.com/question/15682245

Describe the change that you made that led to the decrease in the size of the greenleaf population. Explain why the change led to a decrease in the greenleaf population size.
(no science option again)

Answers

Answer:

DO YOU STILL NEED HELP?

Explanation:

Less water and worse weather for photosynthesis will make the leaves not turn out green and somethings with sunlight

Water is one of our most important resources. Only about 1% of the Earth’s water is for human needs. Name four ways you can help conserve water.


idfk what any of these men but this is for science

Answers

It means what are some way we can save water I think sorry if it’s wrong.
Ways to conserve water:
-Turn off taps (use the necessary amount of water.)
-Take shorter showers.
-Wash full loads only (in terms of laundry.)
-Fix leaks as soon as possible.
-Seasonal eating.
-Reduce food waste.

Groups/Families are arranged vertically in different columns on the periodic table of elements. These groups/families have similar properties and chemical behaviors.

True

False

Answers

This statement is true.
-Hope this helps! :)
This is true:)
Hope it helps u

(GIVING BRAINLIEST) do what the following image says.

Answers

Answer:

hope it helps.

stay safe healthy and happy...
I know it is that pancreas

According to this climate graph, which month is the average temperature the lowest in Santa Cruz?



January


March


May


July

Answers

Answer:

january

Explanation:

I’d say the answer is january

please answer all question plasseeeeee i will mark brainlist
1. What do scientist think caused the Autumn Buttercups to disappear in that certain area?

2. What do scientists think that caused the return of the Autumn Buttercup?

3. How did scientists figure it out?

4. What are two theories of why the Autumn Buttercups are thriving when cows were returned?

5. What does this tell you about ecosystems and how fragile they are?

6. Where do Autumn Buttercups grow?

Answers

Answer:

1 - 5 is in the link, 6 is below

Explanation:

https://elemscience.jordandistrict.org/wp-content/uploads/sites/8/6.4.4.5.2-Return-of-the-Buttercup-Answers.pdf

6. The autumn buttercup only occurs in the Sevier River Valley in western Garfield County, Utah. The elevation range for the species is 6,374 - 7,000 feet.

In an ecosystem,the autumn buttercup only occurs in the Sevier River Valley in western Garfield County, Utah. The elevation range for the species is 6,374 - 7,000 feet.

What is an ecosystem?

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

Learn more about ecosystem,here:

https://brainly.com/question/13979184

#SPJ3

A dodder plant wraps itself around a potato plant. The dodder then uses its root system to obtain water and nutrients from the potato plant.

Which statement best describes this scenario?

The potato plant is parasitic.
The dodder plant is a host.
The potato plant stays alive because of the dodder.
The dodder plant stays alive because of the potato plant.

Answers

Answer:

D

Explanation:

the last one is the answer

PLZ HELP!

What codes for proteins?
(A.) ​RNA​
(B.) DNA​
(C.) amino acids
(D.) polypeptides

Answers

Answer:

The answer is RNA

Explanation:

Each sequence of three nucleotides, called a codon, usually codes for one particular amino acid. (Amino acids are the building blocks of proteins.) A type of RNA called transfer RNA (tRNA) assembles the protein, one amino acid at a time.

Answer:

(A.) RNA

Explanation:

The type of RNA that contains the information for making a protein is called messenger RNA (mRNA)

Help me with this, please. Thanks

Answers

Answer ———hardness ...........
The correct answer is hardness hopes this helps
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A skydiver falls 125 feet in 5 seconds. How far does the skydiver fall per second? pt 2 . This is my last one I need helppp!:( What is 3/3 plus 4 6/4? What is the engine for? 1.5 divede by 0.3 dived by .01 The civil war what was alarming about California's application to join the union ? a.) the leaders had indicated their support of abolitionism b.) the leaders had written a constitution that forbade slavery c.) the leaders had suggested the acceptance of the Wilmot Proviso d.) the leaders had requested that the Missouri Compromise be repealed 3. At 34.0C, the pressure inside a nitrogen-filled tennis ball with a volume of 148 cm3 is 212kPa. How many moles of N2 are in the tennis ball? Your local school board wants to determine the proportion of people who plan on voting for the school levy in the upcoming election. They conduct a random phone poll, where they contact 150 individuals and ask them whether or not they plan on voting for the levy. Of these 150 respondents, 78 people say they plan on voting for the levy. The school board wants to determine whether or not the data supports the idea that more than 50% of people plan on voting for the levy. Calculate the p-value for the one-sided Hypothesis test described in this example. (Hint: Find the test statistic and then use the tables to find the p-value.) A bag contains 10 marbles. Four of them are red, three blue, two white, and one yellow. A marble is drawn at random. What is the probability that it is yellow? Choose the layers that are permeable and impermeable ?1. layer of loose soil 2. layer of sand 3. layer of gravel4. layer of hard clay 5. solid rock anjou has 28 apples.3\7 of apples that are rotten find the number of rotten apples Women, blacks, and ________ who worked in factories typically earned the lowest wages. a. Nativists c. citizens b. immigrants d. unionists Which answer identifies the falling action in Thank You, Mam?Mrs. Jones brings Roger to her house.Roger tells Mrs. Jones that he wants blue suede shoes.Mrs. Jones gives Roger $10.Roger steals a purse from Mrs. Jones.Please answer the k12 answer Need help with this problem!! Why do solar cells need an inverter? Which input-output rules could describe the same function (if any)? Be prepared to explain your reasoning. Help possess no link Amy work 5 hours less than Samantha worked. together they worked 19 hours how many hours did they each work? Help and show work plssss Easy brainliest, please help me..-44 points in total with brainliest-(only if you get it correct) AD contains BC and AD=40. A point on AD is chosen at random. The probability that the point is also on BC is 0.2. What is BC?