It contains 4 key elements carbon, hydrogen, oxygen and Nitrogen. so your answer is nitrogen
Answer:
Excercise can really boost our mood, increase our stamina, and strengthen our bones. Being fit can also decrease risk of desease.
Answer:
Cellular respiration
Explanation:
Respiration is the process by which energy is made. Aerobic respiration requires oxygen.
All the other processes listed do not require oxygen to.
Meiosis. Meiosis is termed as a specialized cell division which reduces chromosomes number by half and then creates for haploid cells. The process of meiosis occurs in multicellular eukaryotes and in sexually reproducing single-celled.