The main idea is that humanoid robots do things for the scientists that the never could.
Answer:
The best answer I can see? Probably letter D. It has a fact and some supporting evidence.
The best option from the list on how to balance in a bicycle is the one that says that first you need to be cautious to the wind and take over the road. We knwo this because it describes the things you need to do BEFORE riding a bicylce and the things you need to find balance, which is one of the primary things you need to get.
