Answer:
Closed Systems. The earth system as a whole is a closed system. ... Virtually no mass is exchanged between the Earth system and the rest of the universe (except for an occasional meteorite). However, energy in the form of solar radiation passes from the Sun, through the atmosphere to the surface.
Explanation:
Asexual- one parent, identical offspring
sexual- two parents, and non identical offspring
both- types of reproduction
Throwing garbage on the ground, not putting out a camp fire, lighting something that creates smoke...
