Answer:
The use of chemicals in factories resulted in increased air and water pollution making it harmful to human life.
Answer:
photosynthesis
Explanation:
Photosynthesis: Is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
crust which geological terms is the outermost layer of planet or satellite.