Answer: C
Explanation: All organisms someway somehow must compete for essential resources.
Answer:
Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
Explanation:
Brainliest please?
It would b B.physically because solution is a mixture and mixture is formed by physical change not by chemical