How do molecules and atoms help us understand the observable properties of organisms and nonliving matter?

the answer would be 3

compost can be added to topsoil as a:

pesticide

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )

actually the answer is c