During what era did the Chinese Empire reach its height?
A) 1500s
B) 1300s
C) 1100s
D) 1900s
E) 1700s
E) 1700s
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The ____________________ ____________________ is based in the idea that history repeats itself
Fill in the blank(s) with correct word
During its orbit the earth's maximum distance from the sun is approximately 152 million kilometers. Which of the following is the correct way to express this number in scientific notation?
A) 1.52 x 10^5 B) 1.52 x 10^6 C) 1.52 x 10^7 D) 1.52 x 10^8
In science, a theory is
A. an explanation supported by a substantial body of evidence. B. a tentative explanation, comparable to a hypothesis. C. speculative and unsupported by facts. D. something that can never be proven wrong.
Given an environmental lapse rate of 5°C/1000 m and a dry adiabatic of 10°C, what would what would happen if unsaturated air that had a temperature of 25°C at the surface were forced to rise 2000 m in the air?
A) It would sink back to the surface because it was more dense than the surrounding air. B) It would be warmer than the air around it so it would keep rising. C) It would keep rising because it would be less dense than the surrounding air. D) It would have the same temperature and density as the surrounding air so it would stay at that height. E) It would be colder than the air around it so it would sink.