What is the definition of herbicide?
A)a chemical that kills vegetation
B)the process of polluting the earth
C)a chemical that kills pests, especially insects
D)too much, or too great, to overcome
E)the act of using something
A) a chemical that kills vegetation.
Pollution that enters the oceans locally _____.
A)dissipates
B)circulates to all parts of the ocean
C)causes all species in the deep ocean to die because the pollution sinks
D)causes all species in that limited area to die automatically
E)is limited to the area of the pollution