I am pretty sure the answer is C. Depression
The answer is Khartoum, Sudan
Answer:
Carbonation is another type of chemical weathering. Carbonation is the mixing of water with carbon dioxide to make carbonic acid. This type of weathering is important in the formation of caves. Dissolved carbon dioxide in rainwater or in moist air forms carbonic acid, and this acid reacts with minerals in rocks.
C. A cold religion with tundra .
Answer:
704 million years in Geology.
Explanation:
Lead-207 would be the daughter.