Question

PLZ Help!!!
1. How is an area’s topography determined? (1 point)
by using an area’s longitude and latitude
by using an area’s scale
by using an area’s elevation, relief, and landforms
by using an area’s elevation, longitude, and latitude

2. How do Global Positioning Systems use elevation points on Earth’s system to find latitude and
longitude?
(1 point)
by using signals from a network of satellites
by using topographic maps
by using satellite images
by using photography