Answer:
It resolved border disputes.
Explanation:
The answer is D, noble gases are stable.
First, boiling is the change of state from a liquid to a gas. Second, boiling of a pure substance occurs at a particular constant temperature called boiling point.
First, the change of state from a gas to a liquid is called condensation. Second, a pure substance condenses at a temperature equal to its boiling point.
Hope this helps you!
A. Eclipses only occur during full and new moons.
