Why does a tree that has the most shade have a bigger area?

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Which part of cellular respiration must occur before any of the other steps can occur

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.