The first way to detect a black hole is by their gravitational influencee.
Answer:
GPS makes the reading of maps very accurate.
Explanation:
An electronic version also allows the information to be upgraded regularly to give accuracy and reliability than a paper map that could be outdated. There is a less human error with machines designed to survey large areas of land. The internet is a great way to be able to access information rapidly and efficiently. Traditional maps are limited to the type of information it can show. However, with GPS mixed with GIS and the internet maps can show a great variety of information, such as the type of soil or geology in a certain area. It is also possible to read the information and connect it, such as a route planning feature to help a driver get to their destination.
Answer:
yes noob is it ok it is asking to keep 20 letters
I actually don't know what you mean...
The manufacturing and industry
