Coal has no advantage over other energy sources except that it is very cheap.
a. true
b. false

The answer is False. There are some advantages to coal compared to other forms of energy sources.

answer; blank (1); /// (2)///(3)///highblank(4)//low;

b. acid is the correct answer @jayxboof all social media

acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.