Which of the following could be represented by a physical model?
A) a cell
B) an atom
C) rationality
D) ecosystem
E) both A and B
A
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When you burn a log in your fireplace you are converting ________
A) electromagnetic to chemical B) thermal to electromagnetic energy C) proteins to amino acids D) chemical to thermal energy E) chemical to nuclear energy
Which statement best explains our relationship with nature?
A. Humans are a part of nature. B. Humans are not a part of nature. C. Our scientific and technological superiority sets us apart from nature. D. Before 1800 we were a part of nature but not anymore.
Mongol tribes united under the rule of __________ __________ in the year 1200 and rapidly expanded their territorial reach. Within 100 years, they had created the largest empire the world has ever known
Fill in the blank(s) with correct word
Greenland currently has the world's largest ice sheet
a. True b. False Indicate whether the statement is true or false