Answer:
Calcium Carbonate or Lime Stone
Explanation:
The outer hard shell of cray fish is made up of CaCO3 from sea sediments. It as analogue to the carapace of cockroach because both belongs to the phylum Arthropoda. Although they have different classes but their exoskeleton shares same composition and internal structure. Both use this to protect themselves against predators.
Answer:
The event that happens in photosystem I is that electrons are transferred to ferredoxin
Explanation:
This is a part of photosynthetic light reactions which makes use of light energy to transfer electrons from plastocyanin to ferredoxin.
Hope this will help you
Answer:
its A, the roots of plants absorb the water used in the process of photosynthesis
I do not think this is a word.
It is not in the dictionary.