I think 2,5,1 but im not sure
Is this supposed to be a circle or something else. Let me know ASAP to put me on the right track to solving it.
The greenhouse effect is the rise in temperature that the Earth experiences because certain gases in the atmosphere (water vapor, carbon dioxide, nitrous oxide, and methane, for example) trap energy from the sun. Normal warming is mostly caused by natural gases.
Mars has 7 natural resources
