Choose of the following best describe tropism. A: Tropism is the only cause for plant growth.
B: True tropism requires plants to grow.
C: Tropism causes plants to produce tropism.
D: Tropism will cause plants to react to both internal and external stimuli.

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.