Which of the following statements is true regarding high or low pressure for a parcel of air at the surface?
A) Higher temperature, higher density, warmer air rises, lower pressure at surface
B) Higher temperature, lower density, warmer air rises, higher pressure at surface
C) Lower temperature, higher density, cold air rises, higher pressure at surface
D) Lower temperature, higher density, cold air sinks, higher pressure at surface
D) Lower temperature, higher density, cold air sinks, higher pressure at surface
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Which of the following is characteristic of the reproductive pattern of most animals such as whales and elephants?
a. tend to produce high numbers of offspring b. give very little parental care c. low survival rate of offspring d. long gestation periods e. high offspring mortality
Which of the following describes lineation?
A. May be due to elongated mineral crystals that grow in linear orientation. B. Can form under ductile shearing. C. Stretched-out mineral crystals may show lineation. D. All of these describe lineation.
Fair trade returns on average ________ percent to producers rather than 1 percent seen in so many trading arrangements
A) 10 B) 25 C) 33 D) 66 E) 75
About half of Arctic sea-ice volume has disappeared since 1970 due to warming throughout the region
Indicate whether the statement is true or false