Convection occurs when heat rises which changes the density of a fluid or semisolid substance
Indicate whether the statement is true or false
True
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The vertical zones of the open sea (euphotic, bathyal, and abyssal) are differentiated primarily by the penetration of ____________________.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements correctly expresses the relationship between one degree of change on the Celsius scale and one degree of change on the Fahrenheit scale?
A. One degree change on the Celsius scale is larger than one degree of change on the Fahrenheit scale. B. One degree change on the Celsius scale is equal to one degree of change on the Fahrenheit scale. C. One degree increase on the Celsius scale is equal to one degree of decrease on the Fahrenheit scale. D. One degree change on the Celsius scale is smaller than one degree of change on the Fahrenheit scale.
Which of the following is the relationship between the rem and the sievert?
A) 1 Sv = 100 rem B) 1 Sv = 1000 rem C) 1 Sv = 0.01 rem D) 1 Sv = 0.001 rem
Which of the following have adaptive immunity?
A) all plants and animals B) only animals C) only vertebrates D) only mammals