Because genetics is now progressing so rapidly.
The subordinate clause starts with a subordinating conjunction and contains the entire dependent clause. Because is a subordinate conjunction and makes the clause dependent because you need to know what's next. Hopefully answer choice D has all the right pieces. The main clause is "it is revolutionizing medical research". This clause is a complete idea by itself and is not a subordinate clause.
I believe it is the second choice: It is a bitterly cold day in the north, and Jo’s frustration with her sister and friends’ negativity forced her to go ice skating with Laurie, a boy from school. Unbeknownst to Jo, her sister Amy, whom she forbade to come along, sneakily made her way behind them anyway
Because the last choice wrong because meg didn’t just magically find them in the predicament
The third choice is wrong because jo saw Amy and didn’t seem really surprised
The first choice meg was wrong because meg wasn’t there and jo saw Amy and didn’t seem surprised
B. Combining sentences to use complex structure
This refers to how "eloquently" you can speak or write.
It seems that you have forgotten to indicate the underlined part of the sentence, but there is only one thing I have noticed in the given sentence above that needs to be revised. It is the part "rise" and "sits at night". This is the revised sentence: We raise the flag in the morning and then take it down before the sun sets. Hope this answer helps.
Vicky was called to the office because she got a call from her mom telling her to get home quickly and watch her grandfather for a little bit.
