This is my test please help me

Explain why components that are naturally found in air can be considered air pollutants.

What are the similarities and differences in the way geologists and biologists approximate the age of the earth? justify your response in two or more complete sentences.

Amajor rite of passage for the maori men of was to receive ta moko, or facial tattoos. a. australia b. new zealand c. papua new guinea d. southeast asia