Which of the following will give a positive test with Tollens' reagent?
A) carboxylic acids
B) ketones
C) both a and b
D) neither a nor b
D
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How do fossil fuels contribute to global warming?
A) Burning them breaks the carbon bonds releasing free carbon. B) Burning them breaks the sulfur bonds releasing free sulfur. C) Burning them breaks the nitrogen bonds releasing free nitrogen. D) They have no significant effect.
Conduction is the direct transfer of heat from one substance to another that is in contact with it.
Answer the following statement true (T) or false (F)
________ is the idea that continents move freely over Earth's surface, changing their positions relative to one another.
A. Continental drift B. Sea floor spreading C. Plate tectonics D. Plate spreading E. Continental collisions
The largest daily tidal range occurs in association with spring tides
Indicate whether the statement is true or false