The best answer for this question would be:
2. Cosmic Background Radiation
The Cosmic Background Radiation are when the heat of a planet is measured by the left over heat of it. This is based on the “Big bang Theory” wherein the planets were formed because it was once a very hot radiation.
<span>
</span>
Answer:
Imperialism:
An unequal relationship between territories that is
based on domination and subordination.
Landlocked State:
A state that is completely surrounded by other countries.
Geometric Boundaries:
Boundaries that follow straight lines and do not have much
to do with natural boundaries.
Federal States:
Governments that give their local territories autonomous power and do not have central control
of the entire country.
Irredentism:
The theory, support, or process by which one state seeks to annex a territory governed by another state
Exclaves:
Completely separate holdings that lie within another country.
Explanation: