Positive
And Negative for oxygen.
Answer : Below are three ways described in brief for improving the quality of indigenous soap.
1) Add virgin coconut oil which serves as a softener and betel leaf extract. It is used to improve the quality of soap as an antimicrobial agent.
2) Add activated charcoal black granules or powder to the soap, it removes maximum dirt from the skin.
3) Adding a filler which will increase the shelf life of usage of the soap will also improve its quality.
<u>Answer:</u> The correct answer is Option b.
<u>Explanation:</u>
Law of conservation of mass states that mass can neither be created nor be destroyed but it can only be transformed from one form to another. Every balanced chemical equation follows law of conservation of mass.
This also states that total number of atoms of each element on the reactant side must be equal to the total number of atoms of each element on product side.
From the above information, the correct answer is Option b.
Answer:
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Humans, Dogs and Cats all need oxygen to survive
