Answer:
I hope this helps and if not I'm truly sorry
Explanation:
2
Percent composition by element
Element Symbol # of Atoms
Barium Ba 1
Hydrogen H 2
Oxygen O 2
Answer:
the sun or grass
Explanation:
first the sun because the sun helps produce photosynthesis which grows the grass so that other animals can eat from the grass
System failure is one of the more common causes.
C. Sliding friction between a desk and the floor once it is moving