1,00,000
1,000
10,000
100
Answer is Right!
Answer is Wrong!
The correct answer is: C. 10,000
The Plio-Pleistocene boundary is a geological boundary that marks the beginning of the Pleistocene epoch, which is the epoch that we are currently in. It is defined as the time when the Earth’s climate began to cool and glaciers began to form. This boundary is thought to have occurred about 10,000 years ago.
Option A is incorrect because it is too large. The Plio-Pleistocene boundary is not thought to have occurred 1,00,000 years ago.
Option B is incorrect because it is too small. The Plio-Pleistocene boundary is not thought to have occurred 1,000 years ago.
Option D is incorrect because it is too small. The Plio-Pleistocene boundary is not thought to have occurred 100 years ago.