Which of the following pairs does not share the same empirical formula?

a.) ch2o and c3h6o3
b.) pbcl2 and pbcl4
c.) no2 and n2o4
d.) c3h12 and ch4

Florida benefited greatly from roosevelt’s civilian conservation corps (ccc) in the 1930s. which of these was of least benefit to the state? a) workers planted millions of trees. b) workers received food and clothing. c) the government created state parks. d) new roads facilitated travel out west.

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.

Define what the expropriation without compensation's and what does the freedom charter says about it