the sun has a radius of 432,169 miles
Answer:
B. Coal
Explanation: Coal is mined to produce energy.
Answer:Noble gases:
are highly reactive.
react only with other gases.
do not appear in the periodic table.
are not very reactive with other elements.
Explanation:Noble gases:
are highly reactive.
react only with other gases.
do not appear in the periodic table.
are not very reactive with other elements.
C)crabon,oxygen and calcium
They have a magnetic attraction.