What unique feature do all echinoderms have?

A) Water vascular system
B) An expelling stomach
C) A complex chewing jaws
D) Brains


A

Environmental & Atmospheric Sciences

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E-wastes are a source of ________

A) acid corrosives B) heavy metals C) compostable organic compounds D) ignitables E) radioactive materials

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________ is the physical and chemical breakdown of rocks

Fill in the blank(s) with correct word

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Hinduism's caste system

A) assigns everyone to a distinct class. B) decrees the pilgrimages which should be taken. C) is a substitute for the lack of a holy book. D) identifies a family's important deities. E) is the basis for seasonal celebrations.

Environmental & Atmospheric Sciences

Which of the following may soon be tested in a clinical trial related to insulin resistance and mood in diabetic females?

A) omega unsaturated fatty acids B) Vitamin C C) Vitamin D D) Vitamin B12 E) None of these has been linked to insulin resistance and mood.

Environmental & Atmospheric Sciences