Th correct answer is A
hope this helps :)
solution:
This iron oxide mineral commonly has a reddish color and consistently has red streaks. this streaks is hematite.
Answer:
Explanation:
The acid level has changed
Well you have to mix chemicals which caused a chemical reaction. When you mix salt and ice the freezing point of liquid changes. the ice gets colder
Solids are usually more dense than liquids and gases.