Answer:Small hydrophobic molecules and gases like oxygen and carbon dioxide cross membranes rapidly. Small polar molecules, such as water and ethanol, can also pass through membranes, but they do so more slowly.Semipermeable membranes, also termed selectively permeable membranes or partially permeable membranes, allow certain molecules or ions to pass through by diffusion.
Explanation: hope that helps
Answer:
I believe the answer is d
Answer:
supplies nitrogen to the crop
Explanation:
they form a symbiotic relationship with bacteria also known as nitrogen fixation
1. Sun (heat on the water)
2. Body of water
3. Evaporation( the specks going up to the sky)
4. The cloud
5 rain cloud
6. Rainfall (becoming a runoff)-> sent back into the cycle
I would say A because it sounds right hope this helps