The greenhouse effect is
a. something that has occurred for millions of years.
b. an unnatural phenomenon caused by humans that maintains earth���s temperature range.
c. the result of the differences in the angle of the sun���s rays.
d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere.

d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere.

Although this may be the opposite of what you think i will say it anyway. you were brought into this world for a reason and you still have soo much ahead of you. not everybody has an opportunity of living a great life, but it doesn’t give you a reason to end everything. somebody in the world loves you, and imagine what you would do to them if you left forever.

Cause of he different elevations  hope this ?