GPS, Glonass are the most popular
Answer: you can get the answer if you see the time line and the period
Explanation:
<h3>Questions: </h3>
What does a knickpoint indicate on a river profile
<h3>Answer: </h3>
A knickpoint is a steep section of a river's profile that can range in size from a single waterfall to a multi-kilometer high-gradient region.
A few major cities located on 38 degrees north latitude:
Niigata, Japan
Seoul, South Korea
Shijiazhuang, China
Taiyuan, China
İzmir, Turkey
Athens, Greece
Palermo, Italy
Lisbon, Portugal
Washington D.C., USA
St. Louis, Missouri, USA
Sacramento, USA
