Answer:
D. hydrogen sulfide gas (H2S)
Explanation:
A compound is composed of two or more elements chemically bound together.
In this case, hydrogen is chemically bounded with sulfur to form a gaseous compound called hydrogen sulfide.
The golf ball represents the solar system and the football represents the Milky Way. Our solar system is <em>a lot</em> smaller than the Milky Way, just like how a golfball is smaller than a football.
Answer: C. Some of uranium's mass is converted into energy, so the smaller atoms have less mass.
Explanation:
From Einstein's mass-energy relation:
E = mc²
Mass and energy are equivalent. Mass can be converted into energy and energy into mass.
When Uranium atoms under go nuclear fission, smaller atoms are formed and huge amount of energy is released. This energy comes from the mass difference of the uranium nuclei and new nuclei formed. This mass converted into energy according to Einstein's equation.
Mainly it belongs in the deciduous forest biome. The U.S also includes the desert, tundra, and coniferous forest biomes.
Put this under 'Geography' next time.
Hope this helps!
~GeeksandNerds
