Development of a hypothesis 100%
B c and d. I think these are the answers
There is peace and calm in the natural world. This is a place where Huck and Jim can be alone with their thoughts, and can feel alive and free. oh
Next the scientist should create a hypothesis to prove his findings hypothesis is what scientist use after an experiment to make sure that what they viewed in there experiment was correct. For example if they want to find a vaccine flue shot they have to do more reach on the ingredients to make sure it’s safe to the public