The Moon appears to change shape because we see different amounts of the lit part as the Moon orbits Earth. From Earth's perspective, we see varying amounts of the illuminated part of the Moon.
"Silk Road trade routes" is the one route among the following choices given in the question that he would most likely follow to achieve his goal. The correct option among all the options that are given in the question is the third option or option "c". I hope that this is the answer that has come to your desired help.
the answer to this is 13 times I think lol
