Ancient rock cores around which the continents are formed are known as

A) shields

B) cratons

C) supercontinents

D) tectonic plates

How do scientists learn more about the layers of earth through seismic waves

What is one main similarly between the digestive system and the respiratory system?

What is the name of the structure that connects the two sister chromatids?

Which is the neurotransmitter that involved in increasing heart beat.

Which is TRUE for the cells that are formed by the end of Meiosis I? A. 2 cells are formed, each having half the number of chromosomes as the original cell. B. 4 cells are formed, each having half the number of chromosomes as the original cell. C.

The type of stress is most commonly associated with illness and disease is [blank] stress.

Describe the components of the peripheral nervous system and central nervous system and explain how they work together in your body.

Oil spills happen in our oceans. Some oils contain volatile organic compounds; these compounds make the oil denser.

Describe the overall changes in matter that occur during the light independent reaction.

Name two hormones that are also neurotransmitters using your knowledge