They're not important when solving math problems in class because you need to get the correct and accurate answers hence don't need to change them into significant figures
Toothpaste is an abrasive that contains many things, but mainly phosphates.
Answer:
Melting of ice
Explanation:
A physical change is one in which just the physical properties of the matter is altered. Most phase changes reaction falls under this type of change.
- Examples are boiling, melting, freezing, condensation, sublimation, magnetization of metals, breaking glass, cutting wood.
- No new kinds of matter is formed.
- The process is reversible
- No change in mass
Answer:
2
Explanation:
to separate objects or ideas into group based on ways they are alike
