Using the ABCD rule for diagnosing a melanoma associated with the skin, the "D" refers to
A) darkness of the spot or region of the skin, usually varying in intensity of the color black.
B) degree of irregularity of the spot from a circle.
C) diameter of the spot.
D) density or thickness of the melanoma.
E) "damage," or the extent that the skin cells have lost normal function.
C
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Which of the following is true for this reaction?
A) The reaction is nonreversible. B) Hydrogen and nitrogen are the reactants of the reverse reaction. C) Hydrogen and nitrogen are the products of the forward reaction. D) Ammonia is being formed and decomposed simultaneously. E) Only the forward or reverse reactions can occur at one time.
Which of the following statements is NOT TRUE
concerning photosynthetic plants? a. They get carbon from the environment. b. They obtain energy from the environment. c. They make their own food. d. They provide food for others. e. They require no more than energy and a carbon source to make their food.
The effects of global climate change are restricted to terrestrial environments
Indicate whether the statement is true or false.
Compare the nervous systems of cnidarians, cephalopods, and echinoderms
What will be an ideal response?