Carbon-12 and carbon-14 are isotopes of carbon. These isotopes differ in the number of
A) protons.
B) neutrons.
C) electrons.
D) protons, neutrons, or electrons.
B
You might also like to view...
This process transfers tremendous amounts of energy from Earth's surface to the atmosphere, from low latitudes to high ones, and it is also the mechanism most influential in causing precipitation
A) Angle of incidence B) Latent heat exchange C) Albedo D) Absorption E) Relative humidity
Which of the following bests describes the effort to find a vaccine against HIV?
A) Since the virus is known to mutate rapidly there is no interest in developing a vaccine. B) There has been considerable research activity, but no clinical trials have been conducted. C) The clinical trials have been failures. D) A promising vaccine is currently available.
Sediment accumulation in the deep ocean tends to be greater than near the continental margins.
Answer the following statement true (T) or false (F)
What two factions are in conflict in the Philippines today?
A) Moro National Liberation Front and Catholic state B) Moro National Liberation Front and National League for Democracy C) Catholic state and Buddhist nationalists D) National League for Democracy and State Law and Order Restoration Council E) none of the above