The Moon is 240,000 miles away from the Earth. What prediction can you make about the tides if the distance between the Earth and Moon
were to decrease?

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.

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

What are characteristics of minerals? select 3 choices