The answer is A. Root crops, including yams, sweet potatoes, and taro, became more common.
The root crops became more common, and practically the basic food source. This was due to the fact that the climate and soil on the Pacific islands were excellent for growing them, and of course for having a sustainable food source.
We depend on 75 percent of the freshwater supply of the world
The correct answer is B timber
The answer is True
Approximate 24 hours
Answer: Both of them involve conduction, because the balloon is attached to the beaker and hot air balloon basket.
Explanation: They really have survival depending on heat. They need it to work.