Answer:
first question: 3. osmosis is a kind of diffusion that involves the movement of water
2nd question: 1. it allows carbon dioxide to move in and out of the cell
Explanation:
Yes, there is growing evidence that cognitive impairment is associated with cigarette smoking.
I think it might be C I am not 100% sure though
Some unicellular organisms are similar to animals because they have the ability to move.
Third option
I would say that answer choice C is the best out of this selection. Carbon is the main element in organic compounds, and organic compounds just so happen to make up the cells that carry out life processes for all living things. Hope this helps.