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GuDViN [60]
3 years ago
12

When did the human brain achieve its modern size

Biology
1 answer:
GalinKa [24]3 years ago
8 0
100,000 years ago is your answer
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Cells A and B are the same size and shape, but cell A is metabolically quiet and cell B is actively consuming oxygen. Oxygen wil
Anika [276]

Answer:

B because the diffusion gradient is steeper there

Explanation:

Oxygen moves in the cell through the process of diffusion which means it moves from its higher concentration towards its lower concentration. More the difference in concentration, concentration gradient will be more steeper and diffusion will take faster.

So in this case cell, B cell consumes oxygen at a faster rate because it is more metabolically active therefore as oxygen is consumed at a faster rate the concentration difference in B cell becomes high and the diffusion gradient becomes steeper so oxygen will diffuse more quickly in cell B.

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Sunlight, carbon dioxide, and water are required for photosynthesis. Examine the graph. What is the best explanation for the rel
Blizzard [7]

Answer:

B

Explanation:making things with light”. Photosynthesis takes place inside capsules in the leaf cells, called CHLOROPLASTS.

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(01.02 HC) Cameron is collecting data to determine the time of completion for each stage of germination in seeds. He is using be
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The experiment must be the same each time to get reliable results
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3 years ago
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I need help please in ASAP
WITCHER [35]

Answer:

it is either c or d

Explanation:

have a nice day!

4 0
3 years ago
What does the immune system protect the body against?
lilavasa [31]

Answer:

The answer is c

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the the immune system protects the body against harmful pathogens by producing special proteins called antibodies.

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