What technological advance in the industrial revolution sparked a population explosion?

a. medical and public health practices spread to less-developed countries.

b. antibiotics were introduced.

c. agriculture was introduced.

d. agriculture became mechanized.

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.