The conversion of nitrogen gas to compounds useful to crops is called

nitrogen fixation
nitrogen compounding
nitrogen conversion
nitrogen fusion

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.

Isolated volcanic peaks on the ocean floor are

What is the ecological role of food chains and food webs