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Llana [10]
2 years ago
6

How much of the earth's oxygen is generated by marine organisms?

Biology
1 answer:
Aleonysh [2.5K]2 years ago
4 0
70% of earths oxygen is generated by marine organisms .
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Which best describes what is occurring in this population of squirrels?Number of Squirrels Entering and Leaving a Population aft
wolverine [178]

Answer:

A is the answer. Population growth is decreasing.

Explanation:

The formula is (birth rate + immigration) - (death rate + emigration). So, 4+10=14, 2+3+8+3= 16, 14-16 = -2. -2 is a negative number, meaning population is decreasing. Hope this helped!

6 0
2 years ago
When an enzyme is functioning at vmax, the rate of the reaction is limited by?
mestny [16]
I guess because of concentration.....it stops !
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A large rock is motionless on a flat sidewalk. Which statement best explains why the rock remains motionless?
notsponge [240]

Answer:

MRCORRECT has answered the question

Explanation:

There are no forces acting on the rock. The only force acting on the rock is directed toward the sidewalk

7 0
2 years ago
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Brain cells that are neither neurons nor glia, but which are capable of dividing and then differentiating into neurons or glia,
solong [7]

ANSWER:

Brain cells that are neither neurons nor glia, but which are capable of dividing and then differentiating into neurons or glia, are called NEURAL STEM CELLS.

EXPLANATION:

Neural stem cells are undifferentiated cells originating in the central nervous system.

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A NEURON (nerve cell) is a specialized cell that conveys electrochemical impulses throughout the body.

provide support for and insulation between them.

GLIAL CELLS are the most abundant cell types in the central nervous system. Types of glial cells include oligodendrocytes, astrocytes, ependymal cells, Schwann cells, microglia, and satellite cells.

8 0
2 years ago
Analyze this molecule and select all of the true statements below. Check All That Apply This molecule is adenosine triphosphate.
ira [324]

Answer:

ATP, is a molecule  called adenosine triphosphate.

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This molecule is a type of nucleotide.

ATP is a nucleotide formed by three phosphate groups and an adenosine. The nucleotide is adenine with three energy-rich phosphate groups.

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