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:
I agree because Climate variability is part of nature, of course - man-made climate change does not "impress" by how much the climate is changing, but how fast this happens. In general, in the end it does not matter why all this happens, because the fact that we are in urgent need to adapt to the effects remains!