Question

When was the environmental change beginning?

1.10,000 years ago

2.12,000 years ago

3.5,000 years ago

4.6,000 years ago​

Answer 1

Required Answer:

☑ 10,000 years ago.

Answer 2

Explanation:

The history of the scientific discovery of climate change began in the early 19th century when ice ages and other natural changes in paleoclimate were first suspected and the natural greenhouse effect was first identified.