Alongshore current moves down a sandy coastline, from north to south. developers build a long, concrete breakwater at one point along the coast. what happens to the sandy beach to the south of that breakwater?

Autotrophs a.consume their food to get energy b.may use photosynthesis to gain energy c.are also called consumers d.cannot use solar energy

In the practice of science, this type of reasoning is used to develop explanations.

The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations