What is the medical specialty that studies the characteristics and uses of radioactive substances in diagnosis of disease? a. ultrasonography b. radiology c. radiation oncology d. nuclear medicine?

answer; i believe that the correct answer is; ///bodies of water store heat during the day and release it at night;

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above