I think this question is missing something. Can you check and repost it?
Answer:
B. equilibrium
Explanation:
Equilibrium is a term that refers to the condition that exists when no change in concentration results from diffusion.
At equilibrium state, the system is at rest or in motion.
- The rate of forward processes is equal to the rate of the backward process.
Concentration is the amount of solute found in a solution.
Osmosis is the movement of solvent through a semi-permeable membrane.
Randomness is the degree of disorderliness of a system.
Answer:
A. the changes in the characteristics within a population that lead to survival.
Explanation:
those that cannot camoflauge or find a way to survive and reproduce, will die off.
Answer:
These reactions are collectively called the urea cycle or the Krebs-Henseleit cycle. Ammonia is a toxic product of nitrogen metabolism which should be removed from our body. The urea cycle or ornithine cycle converts excess ammonia into urea in the mitochondria of liver cells.
The list that is composed of substances that are widely used for many years without apparent ill effects is the GRAS. GRAS is an abbreviation for generally recognized as safe; it is an American food and drug adminstration designation where chemical or substance added to food is considered safe by experts, and therefore, it is exempted from the usual federal food, drug, and cosmetic Act.
