Water pollution is the contamination of water bodies, usually as a result of human activities. Water bodies include for example lakes, rivers, oceans, aquifers and groundwater. Water pollution results when contaminants are introduced into the natural environment. For example, releasing inadequately treated wastewater into natural water bodies can lead to degradation of aquatic ecosystems.
Answer:
b
Explanation:
Internal respiration is the process of diffusing oxygen from the blood, into the interstitial fluid and into the cells.
Answer:
Golgi Body , Chloroplasts , Endoplasmic Reticulum , Mitochondria , and Nucleus
Explanation:
I think to get more oxygen for the lungs. Hope this helped.
