D for sure hope this helps
Answer:
A. a magnet
Explanation:
Iron fillings could be separated from sand using a magnet
Answer:
carbon dioxide CO₂
Explanation:
Each gas has a characteristic boiling point. You can separate a random sample of gases by gradually cooling the sample until each component gas liquifies. Some compounds, such as CO₂ never liquify. Instead, they turn directly into solids.
Answer:
its a
Explanation:
because a mutation is a change and a change can be a mutation
