Enormous amounts of carbon are stored in fossil fuels. When humans burn fossil
fuels, large amounts of carbon dioxide are released rapidly into the atmosphere.
What is the main scientific concern about having too much carbon dioxide in the
atmosphere?
Warming of the climate
O Cooling of the climate
Too much oxygen

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.

Where can dna be found in a prokaryotic cell

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time