<h2><u>its is (A) skeletal and muscular</u> </h2><h2>because without skeletal ur body want be able to move also the muscular system do the sam but it give u strength to move it.</h2>
ARISTOTLE first classified organisms.... in 4th century B.C.
Economics - is the social science that describes the factors that determine the production, distribution and consumption of goods and services
True, your legs are examples of levers.
