Light from the sun is absorbed by the ground and converted to what?

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions