katherineweightman
katherineweightman
30.01.2020 • 
Biology

Which of the choices below gives a true example of how a natural resource can be renewed? a. when forests have been cut down, new native trees can be planted. b. when the sun is hidden behind clouds, lamps can be used to power solar cells. c. when an area's natural gas has been used up, oxygen can replace the gas. d. when the wind is calm, electric fans can be turned on to make the windmills move.

Solved
Show answers

Ask an AI advisor a question