Sorry, I won't understand the question what you asked now.
Answer:
7) The Cretaceous period and it lasted for 80 million years
8) The Cenozoic era for 65 million years
9) 4.5 billion years ago
10) It began 252.2 million years ago
11) It ended 66 million years ago
12) About 190 million years
Explanation:
Hope this helps :)
Miscegenation. Hope this helps:)
Wind energy is inexhaustible (it will never be used up.)
