It is measured With a barometer
I would go with D, because acid can be reduced by using it less
Answer:
Explanation:
visit these websites it will help u:
https://www.space.com/56-our-solar-system-facts-formation-and-discovery.html
https://www.nasa.gov/audience/forstudents/5-8/features/nasa-knows/what-is-orbit-58.html