I hope this is the answer that you are looking for .
Answer:
Explanation:
Are there any awnser choices?
Answer:
The answer would be A: satellite and GPS system
Explanation:
This is the answer because you can track someone using the GPS system or you can detect heat on a satelite
Answer:
-data collected from Mauna Loa shows an increase in CO2 by 20% in the last 40 years
-ice core data shows links between CO2 and temperature, with a recent increase in both
-data from ice cores and other proxies show increases in CO2, CH4, and N2O since the Industrial Revolution
