main engines of creation of the proteins on which the body depends.
Explanation:
Tests for gases
Hydrogen, oxygen, carbon dioxide, ammonia and chlorine can be identified using different tests.
Hydrogen. A lighted wooden splint makes a popping sound in a test tube of hydrogen.
Oxygen. A glowing wooden splint relights in a test tube of oxygen.
<span>A) Archaea and Cyanobacteria is you answer im prity sure</span>
Answer: C
Explanation: All organisms someway somehow must compete for essential resources.
