Atestable explanation that's supported or refuted is called a/an

Which of the following typically characterizes a tropical rainforests

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.

Individuals do not compete directly for resources, but are prey for the same predator