I think it’s all except the second one and the last
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.
C. They are based on evidences obtained from investigation
The correct answer would be D. When a hurricane reaches the land, its intensity decreases as a result of the friction and the lack of warm, moist air. The outer part of the hurricane would start to include that air from land which is drier and cooler which would increase the friction decreasing the strength of the hurricane.
Answer:
C. Physical
Explanation:
The Rio Grande river is an example of a physical boundary between two countries since it is a landform. Physical boundaries are very diverse and can include oceans, seas, mountains, rivers, and lakes, just to name a few of the many landforms that can make a physical boundary.
A cultural, geometric or religious boundary could perhaps be visible with the right type of map, but a river does not tell us anything about the religious makeup of a certain area, nor does it reflect the cultural of the inhabitants.
