1 point The speed of light is about 3 . 10^8 meters/second. How far is a lightyear?
(How many meters does light travel in one year?)
3.1 x 10^11
6.1 x 10^13
9.5 x 10^15
4.2 x10^16

20 ! identify the degree of comparison of the underlined adjective or adverb. read the sentence. for marley, spelling is the most difficult subject. which best identifies the degree of comparison of the underlined adjective or adverb? -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-a. imperativeb. comparativec. superlatived. positive