One "food calorie" equals
a. 1 calorie. b. 100 calories.
c. 1000 calories. d. none of the above.
c
Physics & Space Science
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______________ is the point in Earth's orbit where Earth is closest to the sun
a. Aphelion b. Perihelion c. Precession d. The winter solstice e. a and d
Physics & Space Science
What are the two longest stages in the life of a one-solar-mass star?
a. Protostar, pre-main-sequence b. Protostar, white dwarf c. Protostar, main-sequence d. Main-sequence, white dwarf
Physics & Space Science
Most meteorites collected on Earth are of the rocky primitive variety, although most asteroids are of the carbon-rich variety
Indicate whether the statement is true or false
Physics & Space Science
In science, a range of possible values resulting from a measurement is referred to as
A) a deviation B) bias C) an error D) an uncertainty
Physics & Space Science