As more lamps are connected in a series circuit, the overall current in the power source
A) increases.
B) decreases.
C) stays the same.
Answer: B
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The temperature scale that places zero at the point where all atomic and molecular motion ceases is
A) Fahrenheit. B) Celsius. C) Kelvin. D) centigrade. E) Ransom.
Most of the moons of Saturn have rocky, cratered surfaces, like Deimos and Phobos
Indicate whether the statement is true or false
Explain how astronomers find out how much energy is emitted by stars
What will be an ideal response?
Why didn't a planet form where the asteroid belt is now located?
A) There was not enough material in this part of the solar nebula to form a planet. B) Gravitational tugs from Jupiter prevented material from collecting together to form a planet. C) There was too much rocky material to form a terrestrial planet, but not enough gaseous material to form a jovian planet. D) The temperature in this portion of the solar nebula was just right to prevent rock from sticking together.