Answer:
Explanation:
it is very important because with out it we will die
B because once the circuit is burned the lights will all go of
Answer:
Explanation:
0
All the charges of the protons are cancelled out by all the charges on the electrons.
They bond because they want to make their outer electron shells more stable
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12 % salt is present in 125 g mixture of salt and sand.
Keep in mind that the total percentage is always 100 %
Therefore, if 12 % is the salt, remaining 88 % must be
sand.
a. The amount of mixture is 125 q. Here, 12 % of 125 is
12 * 125 / 100 = 15 g of salt is present in 125 g mixture.
b. The amount of sand can be calculated similarly, 88 %
of 125 g is 88 * 125 / 100 = 110 g of sand is present in
125 g mixture.
