Answer:
B. Their location on the Baltic Sea
Explanation:
Invasions from other powers had been taking place in the Baltic Nations for a very long time due to it's location.
A. Place
It"s referring to a specific location.
This statement is true because the fog absorbs the dirty coal particles and it turns into a dirty brownish "smoke-fog" hence the name smog.
Answer: It is a process that provides power to the Sun and other stars.
Explanation: It is a reaction where two atoms of hydrogen are combined, or fused, to form 1 atom of helium. In this process some of that mass in the hydrogen is converted to usable energy.