The length of Earth's year is determined by its * revolution around the Sun
rotation on its axis

Some european explorers sailed west looking for the passage to india

Peggy feels sorry for smokers who have lung cancer because she believes they were duped by tobacco companies to develop a deadly addiction and are therefore not responsible for their disease. when asked to donate money to support lung cancer research, peggy gives generously. peggy’s prosocial behavior can best be explained by the arousal: cost-reward model. the negative state relief model. a norm of equity. attributions of responsibility.

Which continental leader form a franco american alliance in 1778