Explain how the energy changes in a swinging pendulum from potential to kinetic and back to potential

Experiment to investigate effect of medication on levels of stress in males and females. dependant variable?

All living things share certain characteristics. which of the following characteristics is not shared by all living things?

According to this map, which of these statements about cuban economic activity is true? a) coffee is not a valuable commodity in cuba. b) cattle ranching is found only in the western half of cuba. c) tobacco is grown in most areas of the country. d) manufacturing is limited to mostly the southern coast.