The hydrologic cycle maintains a balance of earth's water because
a. evaporation of water is equal to precipitation of water
b. groundwater is equal to surface water
c. freshwater is equal to salt water
d. evaporation of water is equal to condensation of water

According to the loco mass the mass of reactants and products

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.