Answer:
Tribute was a means of ensuring that a conquered territory would stay loyal to their new leadership. The Incas viewed tribute as one of the most important parts of their system. So important was it for them to impose tribute on everyone, that no one was exempt from their requirements.
Explanation:
D support a hypothesis
A conclusion in scientific research summarizes the results obtained from the data of the experiments conducted which can be in support of the hypothesis or can be contradictory to the hypothesis. A conclusion could be defined as summing up of the arguments to draw inferences from the research conducted however pointing null hypothesis is also very important because both accept, and rejection of null hypothesis provides very useful information
Answer:
it could be used for various things from the invention of the wheel to wagons
Explanation:
Answer would be d, thermal
