Answer:
the beginning of the Cenozoic
Explanation:
- The Cenozoic period began with the 65 million years ago and continuous till today and is composed of the modern-day inhabitants and is also known as the age of mammals and these were as the hornless rhinos and flight less dinosaurs.
Answer:
Point 3
Explanation:
When contour lines are close together, it indicates a slope that is steeper.

subtract 8 from both sides leaving

combine -2x+-8x =-10x

divide both sides by ten