According to calculations made by modern astronomers, the age of the universe is close to
A. 21 billion years.
B. 7 billion years.
C. 6,000 years.
D. 14 billion years.
Answer: D
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Which of the following scales can define the "size" of earthquakes
a. The Intensity Scale b. The Hardness Scale c. The Magnitude Scale d. The Damage Scale e. Both a and c
Greenhouse gases such as carbon dioxide, methane, and nitrous oxide do not occur naturally in the atmosphere, but are only produced in significant quantities by human activities such as power generation, agriculture, land-use changes, and
transportation. Indicate whether the statement is true or false
Most companies have an annual audit undertaken by a professional accountant because
A) it is a tax-time ritual. B) it is a legal requirement. C) membership in industry groups requires it. D) this is how firms know how to value their stocks. E) all of the above
What direction should one swim to get out of a rip current?
A. Away from shore B. Toward shore C. Parallel to shore