The weight of an object is defined to be the force

A. equal to your normal force on any surface.
B. you exert against a supporting surface.
C. due to gravity only.
D. none of the above


Answer: B

Environmental & Atmospheric Sciences

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If global fertility rates remain at 2008 levels, the United Nations predicts that world population will surpass ________ billion in 2050

A) 7 B) 5 C) 9 D) 10 E) 4

Environmental & Atmospheric Sciences

Which nation in the region has the highest percentage of its GDP on military expenditures?


A) Saudi Arabia
B) Israel
C) Iran
D) Egypt
E) Morocco

Environmental & Atmospheric Sciences

Many of the civil wars occurring in Subsaharan Africa are not reported worldwide by the __________, even though the numbers of people affected, injured, and killed are very high.

a. non-governmental organizations b. African heads of state c. All of these d. African Union e. news media

Environmental & Atmospheric Sciences

Which rock type does not have a strong affinity for radioactive elements?

A) felsic igneous B) mafic igneous C) sedimentary D) metamorphic

Environmental & Atmospheric Sciences