Question

Q17.How does nature favour to raise the gross primary productivity while man tends to raise the net primary productivity?

Answer 1

Explanation:

Net primary productivity, or NPP, is gross primary productivity minus the rate of energy loss to metabolism and maintenance. In other words, it's the rate at which energy is stored as biomass by plants or other primary producers and made available to the consumers in the ecosystem.

Answer 2

Answer:

In anthropology, a tribe is a human social group. Exact definitions of what constitutes a tribe vary among anthropologists. The concept is often contrasted with other social groups concepts, such as nations, states, and forms of kinship.