What phase(s) is(are) stable in the location of the circle? O solid
O liquid
gas
O solid and liquid
O liquid and gas
solid, liguid, and gas
HELP ASAP

1 a

2 d

3 a

4 c

explanation:

football

explanation:

because it is

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.