How do the descending and ascending portions of the Loop of Henle work in a positive feedback mechanism?

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria

What element does susan b. anthony include in this passage to strengthen her argument?

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