when did canada switch to driving on the right???

Answer: 1920s

Question: when are both valves closed during cardiac cycle?

Answer: Isovolumic contraction

Answer this question: when is the finale of walking dead season 8??

April 15, 2018

Q: how many episodes will be in the 7th season of game of thrones?A: seven

Input: when did the republic of cyprus become independent?

Output: 1960

Please answer this: where is one place greenhouse gases are produced?
Earth's atmosphere