What was the major reason that a republic replaced the old system of government in china in 1911?

a. too little power in the hands of foreign countries

b. ruthless rule by the powerful emperor

c. too much power in the hands of foreign countries

d. ruthless rule by the nationalists

Which of the following expressions is equivalent to -1/4y - 2 1/4 + 1/2 (4-2y)? a. -3y + 2b. -3 1/2+4c. -4 1/2y+2d. -4 1/2y+2show ur work

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?

What is the biggest country in south america?