Cell Type Dichotomous Key 1a cell has a nucleus and organelles → go to step 2
1b cell has no nucleus or organelles → bacterial cell

2a cell has a cell wall → go to step 3
2b cell has no cell wall → animal cell

3a cell has chloroplasts → plant cell
3b cell has no chloroplasts → fungal cell

What type of cell is cell A?

options:

animal

bacterial

fungal

plant

it would be c. xylem.

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

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