The answer is the second one. It has to have one of these : .
d primary sources are what the rely on
Greedy Boromir was greedy and wanted to take the ring to his father and king Denother to use and fight wielding it.
C. It killed nearly 80% of the population
There is a number of words or phrases that you could use to help smooth the transition between sentence 1 and sentence 2, and here are some of them: also, in addition, additionally, furthermore, moreover, on top of that, etc. The meaning of the second sentence adds on top of the first one - so any of these transition words would be a good choice.
