The world population is estimated to grow to what size by 2050?
A) over 2 trillion
B) 7.4 billion
C) 9.8 billion
D) 200 billion
E) 700 million
C) 9.8 billion
Environmental & Atmospheric Sciences
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About half of all U.S. foreign trade is carried through the Panama Canal
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
The average albedo of Earth's surface is about ________
A) 3% B) 30% C) 50% D) 67% E) 90%
Environmental & Atmospheric Sciences
The breakdown of large rocks into smaller pieces is ________
A) primarily caused by topsoil erosion B) unaffected by winds C) called mineralization D) affected by rainfall, freezing, and thawing E) a major cause of topsoil erosion
Environmental & Atmospheric Sciences
Ideally, science
A. Always has the right answers B. Uses new technology C. Is orderly and methodical D. Tells us what we expected to find E. Proves that our hypotheses are correct
Environmental & Atmospheric Sciences