Answer:
The two substances are Grease and Oil.
Explanation:
- <u>Grease</u> is used for other lubrication outside of the engine when it is really cold.
- <u>Oil</u> is used for lubricating when your engine is really hot.
Answer:
The structure can be found on the attached documents
Explanation:
A compound is formed when two substances are chemically combined. H2O, or water, is a compound as it is composed of 2 hydrogen atoms and 1 oxygen atoms.
Answer:
The answer is option 3.
Explanation:
Option 3 shows a balanced equation.