12. A group of elements that has two electrons in its outer energy level is the

a. alkaline earth metals

c. alkali metals

b. halogens

d. actinides

While weathering and erosion often go hand-in-hand, they are different processes that shape rock. How are they different?

What substances are produced by cellular respiration? A. O2 and H2O B. CO2 and C6H12O6 C. O2 and C6H12O6 D. CO2 and H2O

Which feature is most likely found at a divergent boundary? fold plateau fault-block mountain anticline or syncline

What kind of relationship exists between the wasp and the orbweaver spider? a. consumer-decomposer b. parasite-host c. predator-prey d. producer-consumer?

Cell membrane and transport with answer

Global warming is slowly melting the polar ice caps and glaciers, which are made up of freshwater. Marine organisms in which of the following zones of the ocean are going to be most affected by this process?

The two major pathways by which molecular nitrogen is converted into forms more useful to living organisms are

What does low white blood cell count and low neutrophils mean?

A. Many parts of the brain appear to have no useful function in today's world. b. Losses of small areas of certain parts of the brain rarely cause devastating, often permanent, losses of function. c.

Which of the following states was not a member of the Confederacy?