Which of the following is true of dead zones? a. they are formed when a volcanic eruption covers the soil with ash. b. they are caused by an increase in the saltiness of the land, making the land infertile. c. they are formed when a specific area lacks nutrients and vitamins. d. they are formed when excess oxygen accumulates in a specific region. e. they are caused by algae blooms that occur when agricultural fertilizers and waste runoff enter natural waterways

c. They are formed when a specific area lacks nutrients and vitamins.

Explanation: A dead zone is a hypoxic area that lacks nutrients and vitamins.

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answer:

science is the study of the nature and behavior of natural things and the knowledge that we obtain about them. a science is a particular branch of science such as physics, chemistry, or biology. physics is the best example of a science which has developed strong, abstract theories.

pseudoscience is a collection of beliefs or practices mistakenly regarded as being based on scientific method.

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