The is the area of the brain that is responsible for thought, memory, language, and perception.

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

What is the inability of an individual or a society to achieve a minimum standard of living known as ?

Select the correct answer from each drop-down menu proteins are