C
The elements are Lithium and Beryllium— just look at the mass number on the periodic table
Answer:
Compass - Gps
Explanation:
I belive the pro's and cons are
GPS you are trusting a little man made device
the direction you to give you directions
are going on and that it won't break or die
a device not a paper map
Compass
You can see north east south and it is usually carefully crafted for o outdoors but it has no roads and
west on the compass and if given no directions, extremely
you can see the roads follow directions confusing until you learn it
like go south then east.
What about it do you want answered
It would be an physical change ; if you melt butter the butter goes from a solid to a liquid so therefore the physical state is changed.
