Answer:
C
Explanation:
Just took the test and got 100% so this is correct on edge.
Include or not include trace gases?
Answer:
They wanted to expand the idea of democracy in governments and backed all kinds of revolutions based on democracy, also involving themselves in proxy wars. They also believed that there would be a domino effect, where one country fell to communism, and that would cause other countries to become communist. This later proved to not be completely correct. This was very costly in lives and money.
Explanation:
Answer:
A particle or packet of light.
Explanation:
A photon essentially doesn't have a charge and thus can't be called an electron. So, option 1 is incorrect.
Photons are in fact packets of electromagnetic energy that light is made up of. So, option 2 is correct.
A photon is not a gaseous mass that indicates the preliminary stage in a star's growth and thus can't be a protostar. So, option 3 is incorrect.
Photons having different energies are constituents of the electromagnetic spectrum and thus a single photon can't be a spectrum. So, option 4 is incorrect.