Question

What you found challenging what where how and when in this chapter

Answer 1

people travelling from one place to another

Explanation:

What I found challenging here is, people travelling from one place to another to escape natural disasters like draught, flood or extreme weather. Travelling involved risking their lives by crossing hills, mountains, deserts, rivers, seas and other tough frontiers.

Answer 2

Answer:

I found challenging is archaeologists find the bones of animals, birds,and fish.