What section of the brain controls the ability to move your right hand?
a. the left hemisphere of the cerebrum.
b. the right hemisphere of the cerebrum.
c. both the left and right hemispheres of the cerebrum.
d. neither hemisphere of the cerebrum.

Which of the following choices is not an effective solution to the energy waste related to inefficient lighting? a. using low-pressure sodium lighting sources b. pointing lights on billboards and street signs upward c. placing light sources on time controls d. shielding light to direct it downward

As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases

What is the difference between an igneous, sedimentary and metamorphic rock