What might be one reason that butterflies have different wing patterns?

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

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.

How is the carbon cycle related to global warming ?