Which statement best describes a biogeochemical cycle?

a. a cycle that recycles chemical elements and water.

b. a cycle that continuously cycles chemical elements and water.

c. a cycle that continuously cycles chemical elements and water that are needed by organisms.

d. a cycle that continuously cycles chemical elements and water that are needed by organisms through an
ecosystem.

When a doctor suspects that a patient may have diabetes, she will often have the patient take a glucose challenge test. after the patient drinks a large amount of sugary solution, his blood is drawn and the circulating levels of glucose in the blood are determined. which of the following curves do you expect from a patient with diabetes? a. curve ab. curve bc. curve cd. normal curvee. none of the above