Yes, it is true that early humans had to endure changes in climate and environment, since things like global warming and cooling, along with major events like the Little Ice Age, meant that the temperatures in the world were changing dramatically.
Should be the second answer (b)
Answer:
It made me missarable and I want the heat to dieeeeeeeeeeeeeeeeeeeeeeee!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Explanation: