What are the dark regions that give the Sun's photosphere a mottled appearance?
a. CMEs
b. sunspots
c. spicules
d. granules
e. flares
d
Physics & Space Science
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When two light bulbs are connected in parallel to a battery, the electric resistance that the battery senses is
A) greater than the resistance of either bulb. B) less than the resistance of either bulb. C) none of the above
Physics & Space Science
If the radius of the Earth somehow increased with no change in mass, your weight would
A) increase. B) not change. C) decrease.
Physics & Space Science
What characteristic of a star primarily determines its location on the main sequence?
a. age b. distance from the galactic center c. mass d. space motion e. radius
Physics & Space Science
How is the amount of precipitation indicated on the weather map?
Physics & Space Science