A resercher was studying mutation in bacteria. He found that certain bacteria had changes in their DNA that allowed them to be resistant to antibiotics. Third research is an example of . The mutation

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.

In the first stage of the nuclear fuel cycle the spent fuel must be transported, processed, and disposed of properly. true or false