Which statement describes clean air as a natural resource? select three options.

clean air is essential for health and survival.
clean air provides nitrogen gas for plant respiration.
clean air is where high levels of ultrafine particles circulate.
clean air reduces risk of illnesses and other health problems.
clean air supplies oxygen that enables living organisms to breathe.

answer:

clean air supplies oxygen that enables living organisms to breathe.

explanation:

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.