What are two similarities and differences between gymnosperms and aminosperms?

Both gymnosperms and angiosperms contain vascular tissue.

Both gymnosperms and angiosperms produce seeds.

Gymnosperm seeds are exposed while angiosperms seeds are enclosed in fruit.

Unlike gymnosperms, angiosperms are flowering plants.

ability to bond woth oxygen

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.