Write a short paragraph explaining what characteristics make a frog alive, and a desk not living. Include a discussion of the specific characteristics of a living organism as identified by biologists.​

Which best describes a rhinovirus? o a. a virus that causes a common cold o b. a protective shell around a virus o c. a tube the comes off a virus o d. a piece of dna transferred by a virus

In which situations is the principle of cross-cutting relationship useful in determining relative age?

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