Answer:
the same
Explanation:
due to the law of conservation of mass, the mass will not change
Mobile radio communication
Broadcasting
Navigation systems
Group 8 nonmetals; <span>He, Ne, Ar, Kr, Xe, and Rn</span>
Because it helps enriches the soil, just like when you make home made compost you add egg shells and old veggies and stuff all the vitamins enriches the compost.
Hope this helped.