Which process would have the greatest negative impact on a forest?
selective thinning of some trees
controlled burning of the underbrush
clearing large tracks of land of all trees
removing some of the overpopulated animals from a forest

which of the following plays the most important role in chemical weathering?

ice
the sun
wind
oxygen

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

One gene can influence trait(s). one trait can be determined by gene(s).

Which represents a negative impact of technology