A circuit is shown in the picture above. The chemical energy in the battery is used to light up the light bulb on the other end. Chemical energy in the battery is transformed into energy, which runs through the circuit wire. A. electrical B. chemical C. sound D. mechanical

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.

What are the possible blood types among the children of parents that are ab and ii? oa) types a and b ob) types a, b, and ab c) types a, b, and o od) types a, b, ab, and o

What maintain homeostasis when a persons internal body temperature is 97.5°f