If two slide projectors are connected in series across the same 120 volt source, the current drawn from the source in amperes is
a. 3
b. 6
c. 9
d. 12
e. none of the above
A
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Comparing the following 4 models, which model predicts that galaxies had the largest separations in the past? (Use the graph of expansion models as a guide.)
A) accelerating B) coasting C) critical D) recollapsing
Because sediments are not deposited continuously in a given locality over time, breaks called ______________ occur in the rock record
Fill in the blank(s) with correct word
When the kinetic energy of a simple pendulum decreases, the ______________ of the pendulum increases
Fill in the blank(s) with correct word
Why have more people seen a lunar eclipse than an solar eclipse?
a. Eclipses of the Sun are much rarer than eclipses of the Moon. b. The shadow of the Moon is larger than the shadow of Earth. c. Anyone on the night side of Earth can see a total eclipse of the Moon. d. Anyone on the day side of Earth can see a total solar eclipse.