Answer:
All of the above.
Explanation:
Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances.
This process is not reversible and a change of energy that is sometimes heat is given off.
1. False (gravity)
2. True
3. False
4.True
5. False
Hopefully this helps :)
Mass number is the total number of Protons and Neutrons. Simply subtract 85 from 210. 210-85=125 neutrons
Concave mirrors, magnifying lens... sorry not sure about the rest
Answer:
It will produce iron(III) sulphate ,nitrogen dioxide and water
Explanation:
hope it helps you☺️
if I'm correct do mark my answer as brainliest