Parts of the neuron are covered with a, which is semipermeable.

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

thats not even an aswer choice

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.