<u>Answer:</u>
<em>Rigel and Betelgeuse </em>
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<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.
Answer:
The Grand Colorado River
Explanation:
The state of Colorado consists of a colorado river that goes through the grand canyon. Starting from the rocky mountain region originating in the Gulf of California and entering the colorado plateau this river is 1450 miles long and drains extensively. The natural discharge rate of this river is 16.3 million acre-feet. As 90 % of the river discharge originates in snowmelt.
<span>Definition of uniformitarianism. :a geological doctrine that processes acting in the same manner as at present and over long spans of time are sufficient to account for all current geological features and all past geological changes — compare catastrophism.</span><span>
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