GPS Satellite Constellation: The baseline satellite constellation consists of 24 satellites positioned in six earth-centered orbital planes withfour operation satellites and a spare satellite slot in each orbital plane. The system can support a constellation of up to thirty satellites in orbit.
Answer: habitat change, climate change, invasive species, overexploitation, and pollution
Explanation:
I think I might be a LITTLE later on this one... but it was recommended, it's Deutschland