Weigh the mineral Dip the mineral in acid Heat the mineral until it melts Drag an edge of the mineral across a tile
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which action should be taken in order to identify the streak of a mineral during an investigation?
Possibilities:
- Weigh the mineral
- Dip the mineral in acid
- Heat the mineral until it melts
- Drag an edge of the mineral across a tile

Drag an edge of the mineral across a tile