Why are time zones necessary? A. Seasonal changes due to the revolution of the Earth around
the Sun requires the need for time differences.
B. Moon phases cycle every 28 days but vary according to
your location.
C. The rotation of the Earth causes the Sun to rise earlier in
the eastern United States.
D. The Earth's orbital motion can easily change.

Animals such as pronghorn antelope, bison ans badgers dot to the landscape. where are these animals located?

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.