GPS, Glonass are the most popular
Explanation:
The United States is known for being very diverse due to the fact that people have emigrated to the US. This is because people want to live the "American Dream" and have a successful career and family. If someone is facing hardships in their home country, they will try to move to the US to start a better life.
The correct answer is - lagoon.
When rivers and streams that have lower water volume throughout the whole year come in touch with the ocean, under the influence of the ocean's wave and ocean currents along the coast, sandbars and barrier islands start to form around the estuary. As they form and little by little grow in size, they manage to create a closed space with calm shallow water between the estuary itself and the ocean, thus creating a lagoon.