Answer:
Acid soils have a pH below 7 and alkaline soils have a pH above 7. Ultra-acidic soils (pH < 3.5) and very strongly alkaline soils (pH > 9) are rare.[2][3]
Answer:
Dry
Explanation:
I got it right on my test
Answer:
Cretaceous
Explanation:
The Cretaceous is the last period of the Mesozoic era, located between 145 and 65 million years ago.
In the Cretaceous, the Earth begins to take the shape we know today. Whitish rocks appear that characterized the strong incidence of limestone in this period.
In the middle of the Cretaceous, the formation of more than 50% of the world oil reserves that are known today began, of which the concentrations located around the Persian Gulf and in the region between the Gulf of Mexico and the coast of Venezuela.
It The has to be Caspian Sea buddy
