i think it is A. Cancer but i am not 100% sure about it
1500 =100
900 =x
900 x 100 = 90000/1500= 60
60% of kcals come from carbs
Answer: Our energy supply comes mainly from fossil fuels, with nuclear power and renewable sources rounding out the mix.
Explanation:
- enzyme pepsin: chemically digests the proteins in the food, breaking down into amino acids
- hydrochloric acid (strong acid): provides an acid environment for pepsin and kills bacteria (food); without this acid, the stomach could not function properly.
<span>The cell has 1% concentration of the salt. The external environment is highly concentrated with 25% saline solution. This will lead to release of water outside the cell, by passive diffusion from a region of high conentration of solvent to lower concentration. Thus, the cell will shrink.</span>
