Relationships between organisms can be or harmful. choose an example of each and explain them to me

What percentage of light hits earth's surface directly?

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

Which of these is not a nucleotide base found in dna?