When a spring is compressed, the energy changes from kinetic to potential. Which best describes what is causing this
change?
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power
gravitational energy
chemical energy
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Two critical interventions to turn around the opioid crises are:

In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48

An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil