The stars with the coolest surface temperature fall into which spectral class?
a. a
b. b
c. g
d. k
e. m
f. o

You arrive late to a biological seminar. however, just as you enter the room, you hear the speaker referring to the "five-prime end" and the "three-prime end" of a macromolecule. immediately, you know that they are talking about a: ]

Which chemical equation is unbalanced? which chemical equation is unbalanced

What organ systems are working to you cool down after a workout?