Answer:
✅True
Explanation:
Density is an intensive physical property because the density of a given substance does not change with the size of the sample.
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List two ways in which bacteria are important to humans. Briefly explain these ways.
One way is that the bacteria that lives in your intestine help you digest. Ususally things in your intestine that the human body can't breaking it down along with the other food. Also meaning that that bacteria also aids in taking in nutrients.
The second way bacteria can also help you get over an illness. The bacteria in your immune system fight the bacteria that is making you sick and gets rid of it.
Hoped that helped
It has been stated that almost all energy used by organisms can be tracked back to the sun. How is this possible since some organisms are never exposed to sun.
Which are limiting nutrients for plant growing
•water and nitrogen
•nitrogen and carbon
•carbon and phosphorus
•phosphorus and nitrogen
Answer:
phoshorus and nitrogen
Explanation:
isnt 1 or 2 and i dont think its 3 so that leads me to 4
Answer: phoshorus and nitrogen is the correct answer.
Neutrons and____
are found in the nucleus of an atom.
your answer goes here
Answer:
protons
Explanation:
Which of the following questions can be answered scientifically?
A. Which liquid takes the longest to burn?
B. Are cotton or polyester clothes more comfortable?
C. To what extent should we protect the rainforest?
D. Can star positions be used to determine the future
Answer:
Ya, it is A
Explanation:
____are compounds that produce H+ ions in solution.
Answer:
An acid is a substance or compound that releases hydrogen ions (H+) when in solution. In a strong acid, such as hydrochloric acid (HCl), all hydrogen ions (H+), and chloride ions (Cl-) dissociate (separate) when placed in water and these ions are no longer held together by ionic bonding.
Which expression best describes the amount of biomass transferred
from the producer level of this pyramid to the tertiary consumer level? (PLEASE ANSWER CORRECTLY AND QUICK)
a > 10% (equal to)
-
b <50% (equal to)
-
c >100%
d <1%
All organic compounds contain the element
Answer:
your answer is carbon molecules
hope this helped you
please mark as the brainliest (ㆁωㆁ)
Answer:
carbon atoms
hope this helps babes:)
ANSWER QUICK PLS
What determines if a biome is a desert?
- temperatures
- amount of sand
- wildlife
- precipitation
Answer:
precipitation
Explanation:
Rainfall is the only thing that determines what is a desert. Antartica is a desert because of its lack of precipitation
Granite comes from the Latin word called
Answer:
granum, a grain, in reference to the coarse-grained structure of such a completely crystalline rock.
Explanation:
Which is an example of osmosis?
Group of answer choices
a. oxygen moving into the bloodstream from the lungs
b. potassium ions moving in and out of an animal cell
c. carbon dioxide moving into the leaf cells of a plant
d. water moving into the root cells of a plant
Explanation:
Osmosis is about the diffusion of water in and out of cells, so the answer is D.
An advantage of light microscopes compared to electron microscopes is that light microscopes
allow you to view the surface of cells in greater detail than electron microscopes
have a higher magnification capability because they use natural light
allow you to view living cells, while electron microscopes do not
have a greater resolution available because they use white light
Answer:
allow you to view living cells, while electron microscopes do not
Explanation:
An electron microsocpes electrons will kill living samples
Answer:
allow you to view living cells, while electron microscopes do not
Explanation:
An electron microsocpes electrons will kill living samples
Why is the polarity of water molecules and hydrogen bonding essential to adhesion and cohesion?
Some properties like Polarity makes water a good solvent, cohesion helps in stick water molecule to itself while adhesion helps it to stick with other surfaces. Water have surface tension due to hydrogen bonding.
What are the difference between adhesion and cohesion ?when two similar molecule come closer adhesion occur where as in cohesion two similar molecules face the force of attraction.
Adhesion is the force of attraction observed between the water molecules and xylem vessels while Cohesion is unrestrained among water molecules.
Capillary action and meniscus are the effects of adhesion while Surface tension, meniscus and capillary action are the effects of cohesion.
The major forces responsible for adhesion are electrostatic or mechanical forces while Cohesion is the result of hydrogen bonding and Van der Waals forces.
A strong adhesion can lead to spread of liquid all over the surface while cohesion forms water droplets.
Learn more about cohesion, here:
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Pls help me answer this as fast as possible!!!!
Answer:
1. nucleoplasm
2. wall of adjacent cell
3. golgi apparatus
4. chloroplast
5. cytoplasm
6. cell wall
7. ribosomes
8. vacuole
9. mitochondrion
Explanation:
hope this helps :)
1.
23 cm
How many significant digits are in each of the following measurements?
Answer:
2
Explanation:
There are no zeros so the only numbers there are is 2 and 3. So two numbers equals two sig figs.
What color is blood while it’s in your body ?
Answer:
Red, shade of red may depend on the oxygen level in it.
Explanation:
Answer: Dark red for veins, bright red in artery
Explanation:
The description of a cell organelle is given below.
found in plants and plant-like protists
uses energy from the sun
makes sugar from carbon dioxide and water
What organelle is being described
a mitochondrion
a ribosome
a lysosome
a chloroplast
what type of reaction does carbon dioxide, water and energy make
Answer:
Chemical reaction
Explanation:
Respiration is a chemical reaction that takes place in cells and allows them to release energy. Reactants are the substances that react together in a chemical reaction.
Glucose+Oxygen---Water+Carbon Dioxide(+energy)
A rock falling through Earth's atmosphere from outer space is called a
Explanation:
A rock falling through Earth's atmosphere from outer space is called a asteroid
Why are bacteria considered living, but not viruses? (Include at least 4 reasons)
Which statement is correct? a.The number of electrons of a neutral atom always equals the number of protons. b. The number of neutrons always equals the number of protons. c.The number of neutrons always equals the number of electrons. d.Atomic weight is identical to atomic mass.
Answer:
A
Explanation:
The number of electrone will equal the number of protons in a NEUTRAL atom
Answer:
a. The number of electrons of a neutral atom always equals the number of protons.
Explanation:
what is the function in a cell of the carbon compounds lipids
Answer:
Lipids are organic compounds that consist of carbon, hydrogen, and oxygen. They are made up of fatty acids and other compounds. They provide cells with energy, store energy, and help form cell membranes.
Carbon, hydrogen, and oxygen are the main components of lipids, which are organic molecules. Fatty acids and other substances make them up. They aid in the formation of cell membranes, supply energy to cells, and store energy.
What is function of carbon compounds lipids in cells?In a cell, lipids carry out a variety of tasks. Cells store energy as lipids termed fats for long-term use. Lipids also insulate plants and animals from their surroundings.
All cells are fundamentally made up of lipids, which also serve a variety of crucial functions.
They are essential parts of the nuclear membrane, endoplasmic reticulum, Golgi apparatus, and trafficking vesicles like endospores and lysosomes.
As well as other cellular compartments, including the plasma membrane.
Therefore, lipids have various the function in a cell as a carbon compounds.
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Which statement does NOT describe a scientific theory?
A)
A scientific theory can never be proven
B)
A scientific theory is supported by facts
0)
A scientific theory eventually becomes a fact
D)
A scientific theory is a generally accepted explanation
Answer:
Its C
Explanation:
Trust me it may not make sense but it is correct UwU
Question 3 (1 point)
Life has always existed on Earth.
True
O False
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Determine the averages of the runners
Answer:
Jaylyn Fly's average is 11
Suzy Swoosh's average is 10.9
Suhain Sprint's average is 10.4
Explanation:
When you need to find an average, you just need to add the numbers up and then divide by the total number of values you added.
In what two ways is the krebs cycle important for making atp
How do scientific understanding, historical data, and monitoring help scientists predict weather and climate hazards?
Answer: Predicting the size, location, and timing of natural hazards is ... of understanding that can be used to predict natural hazards
Explanation:
How is the cycling of matter and energy similar?
Answer: As matter cycles and energy flows through living systems and between living systems and the physical environment, matter and energy are conserved in each change. The carbon cycle provides an example of matter cycling and energy flow in ecosystems.
Explanation:
Why was the Battle of Yorktown such a devastating defeat for the British?
Answer:
Cornwallis had marched his army into the Virginia port town earlier that summer expecting to meet British ships sent from New York. ... Cornwallis' surrender at Yorktown effectively ended the Revolutionary War. Lacking the financial resources to raise a new army, the British government appealed to the Americans for peace
Explanation:
Answer:
The British lost an entire army.
Explanation:
i just took the test.
What life circumstance most directly affects the type of weather emergencies you are most likely to experience?
Your occupation
Your Income
Your location
Your race