Assuming all the atoms exhaled by Julius Caesar in his last dying breath are still in the atmosphere, we breathe in at least one of them each
A) single breath.
B) day.
C) month.
D) ten years.
E) can't say for some people breathe a few of Caesar's atoms daily, while others never.
Answer: A
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Fill in the blank(s) with the appropriate word(s).
Star A has twice the absolute temperature of star B, but they both have the same radius. What is the ratio of star A’s power output to star B’s output due to electromagnetic radiation? The emissivity of both stars can be assumed to be 1
1.4 2.8 3.16 4.64
Which of the following describes the light reflecting and transmission characteristics of a mineral?
fluorescence luster virtual absorption color streak
Slow surface evolution is caused by
a. wind erosion. b. plate tectonics. c. differentiation. d. all of the above e. a and b