Answer:
Carbon dioxide, methane, and water vapour are the most important greenhouse gases.
The feature that is shown in A is an earthquake. It shows the tectonic plates pushed against each other and formed a point in the sea floor.
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Answer:
A. The Cell Wall
Explanation:
The cell wall holds and supports the shape of the cell.
Answer:
c. sodium-potassium pump
Explanation:
a. osmosis - this is a type at of passive transport. It is diffusion specific to water molecules.
b. diffusion - this is also a type of passive transport. Molecules move from a high concentration to a low concentration down a concentration gradient. This is passive transport and does not require energy.
c. A sodium-potassium pump is a type of active transport, it uses energy to move ions across the membrane. They cannot pass through the membrane because they are charged.
d, facilitated diffusion is a type of passive transport through which substances are transported through proteins in the plasma membrane.
Cell from animals only create other animal cells is the correct answer