B, (layer C is the youngest layer) :)
Answer:
Walking
Explanation:
A muscle cell usually contracts or expands simultaneously when one is working or doing some activities like running, exercises, house chores e.t.c
Muscles are flexible fibers that are very essential appendages for locomotion in human beings.
For muscle cells to contract, they are pulled together thereby causing tension in the muscle. When they are relaxed, they move away from one another.
Answer:
seed coat is a part of a seed.
Answer:
Produce spores and are heterotrophic
Explanation:
All animals and fungi are heterotrophic and fungi produce spores which is how they reproduce.
It should occur in both but mostly the TROPICS because the higher amounts of heat which would make it easier to evaporate greater amounts and bodies of water.
