Question 1

which of the following is not necessary for the greenhouse effect?

the sun
the atmosphere
the oceans
carbon dioxide

question 2

what is the difference between the greenhouse effect and global warming?

3.what is the greenhouse effect?

the natural process where the sun's energy is trapped by the atmosphere to make the earth warm enough for life
a process that is destroying the environment
a process that is melting the polar ice caps
a process that cools the earth so it does not get too hot