Question

PLEASE HELP ME QUICK

When an iron nail is ground into powder, its mass ____.
a. stays the same
b. decreases
c. increases
d. cannot be determined

When paper turns yellow-brown upon exposure to sunlight, what type of change is likely taking place?

a. a physical change
b. a chemical change
c. neither a physical change nor a chemical change
d. both a physical change and a chemical change

Answer 1

1.It stays the same

Step-by-step explanation:

because its only the natural stature of it has changed