I believe the answer is glucose
Answer:
A partnership of NOAA, NASA and the U.S, Air Force, DSCOVR collects data on Earth's atmosphere and maintains real-time solar wind monitoring capabilities. With this information, NOAA generates space weather forecasts and alerts for events such as geomagnetic storms caused by changes in solar wind.
Explanation:
metric system to be more clear
In a way, yes.
experiments need a hypothesis (this would correspond to "what they already believe") which has to be a specific proposal, not a question (e.g. turtles reproduce sexually)
their experiments proove (or, better said: test!) whether "what they already believe" is true.