premise: rainforests contain many species sent2: a decrease of something is a kind of change sent3: organisms are a part of an environment sent4: harming an environment causes harm to the living things / to the organisms in that environment sent5: a rainforest is a kind of forest sent6: cutting down trees in a forest causes the number of trees to decrease in that forest sent7: to cut down a rainforest means to cut down trees in a rainforest sent8: humans changing an environment sometimes causes that environment to be destroyed sent9: species means a group of a certain kind of organism.
hypothesis: hail, snow, sleet, and rain are different kinds of precipitation