Which of the following is not a source of groundwater pollution?
a.
landfills
b.
septic tanks
c.
smoke stacks
d.
fertilizer

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america

What is expressed when both alleles for a gene are equally expressed as in human blood type?

What evidence for the age of the earth is indicated by the fact that sedimentary rock is found on mountain tops? that the earth has expanded outward from water beds that mountains formed first before anything else that some force lifted the rocks from the water the earth is not very old and has not had time for many rock layers to form