CHEMISTY QUESTION - WILL MARK BRAINLIEST - 100 POINTS Answer Choices:

1. A1 and B2

2. A2 and B2

3. A2 and B1

4. A1 and B1

The number at the end of an isotope’s name is the number.

Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?