As a result of the industrial revolution a) obtaining energy became more difficult b) profound social and economic changes occurred c) energy use decreased d) humans increasingly relied on wood burning for energy

Wind energy is plentiful in regions with vast open spaces it is a non polluting renewable resource what could be an economic factor that makes the use of this resource less feasible then non renewable resource even in such regions

In the diagram below, the northern hemisphere would be in what season at position a a. fall b. winter c. summer d. spring

Explain the significance of meiosis in sexual reproduction