What major factors affected earth's changing climates?
this is a chose all that apply !

1.) meteor impacts

2.) volcanic gases

3.) earthquakes

4.) mass extinctions

5.) milankovitch cycles

remember: chose all that apply.

All the mentioned below factors affect climate change in different ways, xceot for mass extinctions:

-Meteor impacts

-Volcanic gases

-Earthquakes  

-Milankovitch cycles  

Volcanic gases and the gases that releases from earth during earthquakes has a wide impact over the climate and increase global warming. Same goes for the meteor that comes from space. It is a ball of fire contains lots of dangerous gases. Moreover, Milankovitch cycles describe the effects of changes in earth’s movement on its climate.

a- multicellular

b-eukaryotic

c-no cell wall

d-heterotrophic

e-autotrophic