Which of the following cycles does not involve living organisms?
a. carbon cycle
b. oxygen cycle
c. rock cycle
d. nitrogen cycle

How does decreasing the gas volume affect the pressure of a gas?

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles