A salt is an ionic compound which needs a positive charge ion and a negative ion charge to form a salt.This means that the pair of element should be a metal and non-metal.This is simply because metal atoms tend to lose negative charge electrons and form positive ions while non-metals tend to receive the electrons from the metal atom to form negative charge ions.So answer is Cl and Li.
The first image, because it represents natural gas. Non-renewable gasses are natural gas, petroleum, or even fossil feels
Answer:
the correct answer is a
ARE BASED ON A SET OF OBSERVATIONS
hope this helps!
