Answer: b. property different minerals can have the same color
Explanation:
Minerals can be identified by its colour, appearance and luster. However, different minerals might have almost the same color which makes it difficult to identify and distinguish. Further tests needs to be carried out to properly identify a mineral.
Você precisa mostrar-nos o que você quer dizer, como anotar as escolhas para que possamos ver o que você quer dizer. :)
Answer:
you can heat gas in a very high temperture
Answer:
increases as you approach the poles