Which of the following can change scientific knowledge? a. biased information b. new evidence c. non-testable ideas d. unreliable facts

Which of the following is an advantage of solar energy?

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box