The acronym CHNOPS, which stands for carbon,hydrogen<span>, </span>nitrogen<span>, </span>oxygen<span>, phosphorus, sulfur, represents the six most important chemical elements whose covalent combinations make up most biological molecules on Earth. Sulfur is used in the amino acids cysteine and methionine.</span>
Answer:The answer is tiny organisms known as cyanobacteria, or blue-green algae.
Explanation:
These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and oxygen increase. Additionally, some sources you could use that I used to answer this question was
https://www.scientificamerican.com/article/origin-of-oxygen-in-atmosphere/
It is an animal because he wants an animal to hunt so he wouldnt be looking for a mine and a shape
Answer:
Add them!
Explanation:
The mass number of an atom is its total number of protons and neutrons
