Answer:
Oxygen
Explanation:
Because it’s oxygen I don’t know ♀️
Planet earth was probaly formed 30,thousand years ago the first life probably evolved 29 thousand years ago
The answer is A:
The SUGAR-PHOSPHATE CHAINS form the sides, and the BASE PAIRS form the rungs
Water is attracted to ions, such as sodium, potassium, phosphate, and chloride ions. Maintenance of normal intracellular fluid volume depends largely on the intracellular concentration of potassium and phosphate ions. Maintenance of extracellular water volume on the other hand depends primarily on the extracellular concentration of sodium and chloride ions.
Answer:
D
Explanation:
adequate shelter, as animals can live without adequate shelter.