4. 1 point
Q1 There are mountain ranges on the ocean floor, the major one is known as
what?
Mark only one oval.
Pangaea
Plates
Mid-Ocean Ridge
Trenches

Can someone me choose a broad topic and area of focus i am really doing this as a tally to see which one most people pick ok water pollution global warming endangered species atmosphere for the !

In what way does renewable energy differ form nonrenewable energy?

During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic