How can the government of a nation invest in physical capital?
a. by building highways, railways, and airports
b. by introducing mandatory physical training in schools
c. by providing power and internet connections
d. by importing or developing innovative technologies
e. by supplying nutritious food to low-income families

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?