which statement is correct?
a. fossil fuels can store carbon for millions of years, and release carbon when burned.
b. fossil fuels can store carbon for millions of years, and release oxygen when burned.
c. fossil fuels can store oxygen for millions of years, and release carbon when burned,

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.