Answer: Cell membrane is layer which is present in all living cells. It is present under the cell wall but in some cases such as plant cells.
Explanation: It is composed of lipid bilayer and proteins embedded in it. Phospholipids, glycolipids and sterols is the composition. Its function is to protect the cell from extracellular environment. It is semipermeable membrane that js allow only selected molecules to pass.
Answer: B, C, E
Explanation:
We breathe in oxygen, which travels to the alveoli in our lungs. The alveoli "gives" oxygen to the capillaries, which carry blood. The capillaries "give" its carbon dioxide (which is what oxygen becomes when used by our body) to the alveoli. The carbon dioxide travel back out when we exhale. Although, the air we breathe out has some oxygen content.
Answer:
Yes.
Explanation:
Yes, I am bothered by working conditions at Foxconn plants and do worry about the production of a phone that might have contributed to a death of a worker. If the working conditions are not satisfactory and the life of the worker are in danger so I worry about the lives of workers that work at Foxconn plants because of unsafe condition of work and stop the workers from working until safety measures should be implemented.
C.
Water vapor is the "fuel" for the hurricanes because it releases the "latent heat of condensation" when it condenses to form clouds and rain, warming the surrounding air. (This heat energy was absorbed by the water vapor when it was evaporated from the warm ocean surface, cooling the ocean in the process
