What are pollutants? a
Substances that are used up when fossil fuels are burned
b
Substances that can harm living things and damage the natural environment
c
A natural resource that is used to produce electricity
d
A type of plant that filters the air or toxic substances

Which seasons are the northern and southern hemispheres experiencing in the image? it is summer in both the northern and southern hemispheres. it is summer in the northern hemisphere and winter in the southern hemisphere. it is winter in both the northern and southern hemispheres. it is winter in the northern hemisphere and summer in the southern hemisphere.

Disney, viacom and aol time warner are examples of

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?