The answer is A. small nutrients
The wampum strings are given a topic and there is a wooden rod at the end stick that will tell the people when and where the meeting will take place.
The tropics receive a great amount of direct solar energy, which produces more evaporation<span> than higher latitudes. The warm, moist air rises, condenses into clouds and thunderstorms, and falls back to earth as </span>precipitation<span>.</span>
Hey there,
Scientists ensure the validity by sharing results with others to make sure they get the same results. They also conduct the expiremnt more than once.
Hope I helped :)