Carbon dioxide can be found in?

A. the oceans

B. forests

C. the atmosphere

D. All of the above

Which of the following is an example of a heavy metal that is toxic to humans? Aconite Arsenic Strychnine Ricin

A farmer applies excess fertilizer to one of her fields just before a rainstorm. What kind of pollution is this most likely to lead to?

Phytoplankton play an important role in which of the following biogeochemical cycles? A. the nitrogen cycle B. the phosphorus cycle C. the rock cycle

What should you do when something you believe turns out to be wrong?

Wires Number of Vibrations Wire 1 15 Wire 2 12 Wire 3 20 Wire 4 25 The table shows the number of times metal wires vibrate per second when they are plucked one by one.

Which best describes reproduction? A. Asexual reproduction produces offspring that are identical to the parent. B. Sexual reproduction allows for diploid gametes to combine to increase genetic variation. C.

Some types of brain injury can cause damage to the cerebellum. how would cerebellar damage affect the ability of the nervous system to receive and transmit information?

What is your definition of the word biochemistry?

Animals with bilateral symmetry___ A. Have a distinct head end B. Have no definite shape C. Can only move in one direction D. All live in the water

What process is used by bacteria to divide and reproduce