The ________ cycle of the phases of the Moon is due to the Moon's spherical shape and the ______ shining on it from different directions
a. monthly; Earth
b. yearly; Earth
c. monthly; Sun
d. yearly; Sun
c
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Plutonic rocks subjected to high temperature and pressure transform by
A) recrystallization of existing mineral grains. B) deformation of mineral grains. C) melting down of existing minerals. D) any of these
You are given two converging lenses to build a compound microscope. Lens A has focal length 0.50 cm and lens B has focal length of 3.0 cm. Which one of the two lenses would you use for the objective?
A) Lens A, because it has the shorter focal length. B) Lens B, because it has the longer focal length. C) It makes no difference which lens I use for the objective. D) None, because the objective should be a diverging lens.
The measurement of space in any direction is called ______________
Fill in the blank(s) with correct word
To change 50 g of boiling water to steam requires
A) 50 calories. B) 500 calories C) 540 calories. D) more calories than is required to bring 50 g of ice at absolute zero to the boiling point. E) none of the above