Answer:
Energy goes into a system, flows from organism to organism, and then leaves the system. For example, with water, that water will rain, gather in a river or body of water, and evaporate, doing the cycle over and over again.
Tubal ligation is:
a. irreversible.
Due to the lack of BRAIN maturity coupled with pressure from peers to conform, teens often take risks without considering whether they are worth the potential rewards or consequences.