Astronomers classify galaxies by their shape. Which of the following terms describes a galaxy that has no discernable shape or structure? A.
No galaxies are shaped like a the description above.
B.
irregular galaxy
C.
elliptical galaxy
D.
spiral galaxy

is has three carbons, so the answer is propylamine.

meth-

eth-

prop-

but-

pent-

hex-

hept-

oct-

non-

explanation:

the correct answer is option d

explanation:

i was wrong its d because they dont use cm when calculating square roots

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).