Answer:
Scientific thinking
Explanation:
Mark is engaging scientific thinking because he is thinking in two scientific ways which are thinking about content of science(theories that are causing certain behavior and more) and reasoning(why there is a such behavior) which are considering test applicable hypotheses and revising of his theories.
Thins type of thinking is using deduction, causal reasoning, concept formation, induction and more.
A. they were known as the the "breadbasket" due to the abundance of grain
Tropical rainforests have the most diversity of any other ecosystem
Answer:
withdraw from commercial or social relations with (a country, organization, or person) as a punishment or protest.
Explanation:
Native Americans have been hunterers and gatherers up to the period when growing crops became available to them/when they discovered growing crops is a thing that could be done. The reason for this is that when you've started growing crops, you can safely stay on one spot and have a sufficient supply of food for a longer time period - this wasn't available before. However, even with the coming of agriculture, the still hunted and gathered as it was an important aspect of their life.