Which of the components could be observed using a microscope in a prepared slide of leaf epidermal cells but not in a prepared slide of human cheek cells?

Cells are of different types- Animal cells and Plant cells. The leaf epidermal cell is an example of plant cell and the visible components will be the nucleus, mitochondria, chloroplasts, central vacuole and cell wall.

Explanation:

The cell organelles present in plant cells are different from those in animal cells. Human cheek cell is an animal cell. The animal cells contain a cell membrane which is absent in plant cells. Chloroplasts are absent in animal cells since they do not perform photosynthesis. Mitochondria and Golgi complex are present in both plant and animal cells.

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.