B, the others are not testable under lab conditions.
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:
Using kilometers in space is useless, as the distances between objects is drastically incred. A lightyear is 9.5 kilometers. It is simpler to say "Alpha Centauri is 4.1 light years away" than it is to say "Alpha Centauri is 28.95 Trillion kilometers away"<span />
Lungs have a pulmonary circulation
The answer to the question is the letter "A" Breakdown glucose.
The function of beta-galactosidase is to break down glucose. This beta-galactosidase is also commonly called "Beta-gal". This enzyme breaks down the glycosidic bond, it also includes carbohydrates that contain glucose.