What type of gases holds in heat and keeps the earth at a moderate temperature?
a. primary gases
b. ozone layer
c. trace gases
d. greenhouse gases

Study the image. which feature is modeled in the diagram? check all that apply. 1 a convergent boundary is formed. 2 continental plates are colliding. 3 two plates are forming a divergent boundary. 4 continental plates are sliding past each other. 5 several mid-ocean ridges are formed on earth’s surface.

Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false

Which are evidence of the seafloor spreading? a. molten material b. magnetic stripes c. continental material d. drilled core samples e. ocean water samples