Last one is social issues ... please help asap ❤️

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.

What is the compliment dna strand to the following sequence: ttgactaggcta

The united states uses which source of energy to produce almost 40 percent of its electricity