La tendencia hacia un equilibrio relativamente estable entre elementos interdependientes, especialmente cuando se mantiene mediante procesos fisiológicos.
if this is wrong sorry i had to use google translate
Answer:
two
Explanation:
The endocrine and central nervous systems are the major control systems for regulating homeostasis
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.
M I think the answer is a run on sentence