I'd say probably Biomass, not 100% sure but it's renewable, but it can create power and heat.
B. Mesopela: the transmissive barrier through which two cell layers interact in the structure of the coral body
A cell of the nervous system is <u>neuron.</u><u>.</u><u>.</u>
Answer:
A. 20
Explanation:
Truth is its actually 22.5 but including that you can just round it, 20 is the best answer.
