1. do 2 if 3 get..................
Answer:
the science of math can almost help us in every task we do in our life, so that, a good knowledge of math helps us do tasks with more efficient and faster too.
this words should help as it's a general one relates every thing with mathematics as it's a very important science.
Answer: A. deposits of silt
A map is 2D. That means it can not shows us the mountains jutting out because a map will only show us a flat paper.