Answer:
I think its main idea and topics.
Explanation:
sounds like the most likely one
There is a possibility that trump will win the 2016 election and then he will become the 45th presid
False explanation: an indicator wouldn’t work, it would mostly be the chemicals alone, hope it helps and im so sorry if its not right!
The answer is A~ Transition
I too was looking for the answer and ran across your question and seen there was no answer, so when I ended up finding the answer I had to come back and give it to you :)
Answer:
It is the Continental Drift theory and Seafloor Spreading Theory
Explanation:
I think.