Greenhouse gases are important to climate change because they A. Are the best way to measure if the temperature is changing over time

B. help to trap energy from the sun in the Earth's atmosphere

C. help to block the radiation of the sun from harming Earth

D. are the main reason that the earth becomes warmer and cooler

D

Explanation:

well, without the greenhouse gases the earth's temperature will drop drastically but too much of it will cause the earth's temperature to rise

Explanation:

Answer- help to trap energy from the sun in the Earth's atmosphere.

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

age range would be the answer