Why does fossil fuel use in the united states make the u. s. vulnerable to the political wishes of foreign countries?
a.
the us is a net exporter of fossil fuels.
b.
fossil fuels lead to global climate change.
c.
the us imports much of its petroleum from foreign countries which set the prices.
d.
all of the above.

What type of competition exsist between two species. turtles and fish

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

Which of the following was a characteristic of a dromaeosaur? modified front claw grasping with their forelimbs both a and b none of the above