Answer:
Look for extra things to do, small details, until you find a big enough one to go off that to continue
Explanation:
n/a
Different isotopes of the same element must have a different mass number
3618 is the numbers for the graph
Because the formation of rust is a kind of chemistry reaction.
After chemistry reaction, compound with new properties is produced.
Of course, color is one of the new properties.
For example, if you put iron in colorless acid solution, a green solution is made.
This kind of chemisty reaction differs from physical reaction, for example, pigment with one color dissolves in liquid, a liquid with same color is made.
The force that accelerates objects towards Earth is gravity.
