Earths lower mantle lies just below what?

When exercising outside on an extremely warm day, the client can feel his heart pounding very rapidly.

Which of the following statements about asteroids is true? A. Asteroids are all very large and are mostly made up of stone, iron and nickel. B. Asteroids are all very large and are mostly made up of frozen water and gas. C.

A tropical rain forest might be unable to return to its original climax community after which of the following disturbances? a. burning of a forest fire b. clearing and farming c. volcanic eruption d. flooding after a hurricane

The location of continents has no effect on their climate true or false

What is the theory that describes large-scale movements of earth's lithosphere is called

Which statement best describes messenger RNA? [Multiple Choice] A. It transfers polypeptides to the nucleus. B. It's chemically more complex than DNA. C. It had one Oxygen atom less than DNA. D. It's composed of a single strand of nucleotides.

An allele that masks another allele is known as

Is there penicillin in acyclovir

Noah wants to show the largest source of carbon on Earth for his school project. According to his research, in which form is most of the carbon on Earth stored?

True or false: most drugs are eliminated by the kidneys in urine although some are excreted in saliva, sweat, or exhalation. a. True b. False