Machines that are fairly simple and make working easier
Answer:
Pitch, in the chemical-process industries, the black or dark brown residue obtained by distilling coal tar, wood tar, fats, fatty acids, or fatty oils.
Explanation:
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The theory of infinite universe and the theory of vacuum as a substance. First was disproved by the discovery of the big bang and the later by some experiments with light which have shown that vacuum is not a substance but empty space.
The statement that is
untrue concerning a reversible reaction is The reaction always spends equal time in the forward and reverse
direction. The answer is letter B. The reset of the statements are true
concerning the reversible reaction.
