C. a burning candle
all the other choices are physical changes
Layla it is A. that's the only one in standard form.
Answer:
The chemical formula for rust is Fe2O3. Rust is formed when iron reacts with oxygen in moist air. The following chemical equation represents the reaction: 4Fe + 3O2 → 2Fe2O3.
Explanation:
Answer:
Number of Significant Figures: 4
The Significant Figures are 5 4 3 9
Explanation:
Answer:
I need to see the galaxy to answer your question
