The correct answer is B. Oxygen.
Oxygen, as a part of the atmosphere, also participates in UV protection, besides being necessary for breathing.
Explanation:
guessing
amino acid?
protein building blocks
peptide bonds hold them together
Answer:
Sand
Explanation:
Space, water, energy, and air are all needed for an organism to survive. Sand is just somewhere an organism could accustom to live in that environment.
With an insoluble outer layer which remains in the cell where it is formed until the energy is needed
Answer:
Product Quality · Nutrition and Feeding · Health and Care What determines whether an insect population explodes or just moves Eggs may hatch in spring into parthenogenetic females, the beginning of the new line, to see if we can observe any of these phenomena on captive aphids on.
Explanation: