B. To aid Eastern European countries. Since they were all war-torn in the 1920-1940, they all agreed that the country that damages the other must pay their debts that they created with war violence.
C. Australia is moving at about ~7 centimeters a year, which is about 67 millimeters.
<u>Answer:</u>
<em>Rigel and Betelgeuse </em>
<em></em>
<u>Explanation:</u>
Rigel and Betelgeuse are counted in the brightest stars of the galaxy.
They form a pair in the Orion constellation.
The Rigel star is situated near the Equator. This star is invisible in the region around and above of latitude 82°N and can be seen from any part of the world. It is a blue white giant star. This makes Rigel helpful in navigation.
Betelgeuse is a red giant star which is visible from naked eye. It has the same diameter as that of Jupiter.
Cumulus cloud has the cauliflower structure
