Convex and concave lenses, mirrors, and prisms: the key to using these pieces of lab equipment accurately and safely is not to or them. a) wash; dust b) wipe; wash c) break; scratch d) use lens wipes; scratch

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.