Which of the following statements BEST describes the function of the large ears of an elephant? A-The elephant's ears can be nearly 2-meters long.
B-The ears help the elephant cool itself on a hot day.
C-The elephant's ears have many blood vessels close to the surface.
D-Elephant's ears consist of thin layers of cartilage and skin.

In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.