Which are bigger—Celsius degrees or Fahrenheit degrees?
a. Fahrenheit
b. Celsius
c. Neither—they are the same size.
d. This is a nonsensical comparison.
B
You might also like to view...
If three identical bulbs are connected in parallel across a 12-V battery, the voltage across each bulb will be
a. 12 V. b. 4 V. c. different. d. none of the above.
Spectra of stars often show narrow absorption lines from interstellar matter. What type of interstellar matter produces these?
A) dust B) neutral gas C) ionized gas D) molecules E) All of the above.
The Bohr condition for determining the stable orbits in hydrogen can be explained in terms of ________ for the electron (two words).
Fill in the blank(s) with the appropriate word(s).
Pluto's density is 1.8 g/cm3 . Iron is about 5 g/cm3 . Rock is about is 3 g/cm3 . Ice or water is 1.0 g/cm3 . . This implies that
a. Pluto has a large iron-nickel core. b. Pluto is about 50% water and 50% rocky material. c. Pluto is all rock. d. Pluto is all water or water ice.