Answer:
It ended during the Mesozoic era
Explanation:
The Cretaceous period is the last of three periods of the Mesozoic era. The other two are Triassic, Jurassic.
During the Cretaceous period, more birds and plants appeared, as did new types of dinosaurs. Also, the climate on the planet was getting colder.
The entire duration of the Cretaceous period was approximately 79 million years.
Answer:
Formerly the fourth largest lake in the world with an area of 68,000 km2 (26,300 sq mi), the Aral Sea began shrinking in the 1960s after the rivers that fed it were diverted by Soviet irrigation projects.
Explanation:
Answer:
It was the first discovery of a major change in the Earth's structure as one goes deeper. The crust is the outermost layer of the Earth. It is made of solid rocks. It is mostly made of the lighter elements, silicon, oxygen, aluminium.
C. The UN helps provide peace between all nations.
Isthmus it is generally surrounded by water, and it is a strip of land connecting two different land masses. Hope this helps.