Answer:
Answer: a chemical Change, because a gas is being formed
No because it changes its composition to ozone
MgqI% = the formula and mass for H20 and that should be your answer for water
Answer:
Cobalt Sources
Cobalt-60 is used as a radiation source in many common industrial applications, such as in leveling devices and thickness gauges. It is also used for radiation therapy in hospitals. Accidental exposures may occur as the result of loss or improper disposal of medical and industrial radiation sources.
Explanation:
