What does salt thrown on a frog do to it?

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping

Which statement describes the punctuated equilibrium theory?