Annalyze evaluate the claim that uniform distributions occurs only in areas where humans have changed the ecosystem, such as by planting crops or trees. Provide evidence, if any, that refuses this claim.

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

If you are in a chronic state of anxiety but also suffer from moment of sudden, intense fear you are problably suffering. from

Quick asap will give brainiest ! what best describes the same pattern of tides on earth throughout the day? neap tides spring tides semidiurnal tides nocturnal tides