Answer:
Hg Pb are in one, Li and B and O are in one, and NaCl are in one, As is alone
Explanation:
Periods are horizontal
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I believe it is B. Green pods are recessive.
Answer:
Political Map. A political map shows the state and national boundaries of a place. ...
Explanation:
<u>Answer:</u> The force that must be applied is 15 N.
<u>Explanation:</u>
Force exerted on the object is defined as the product of mass of the object and the acceleration of the object.
Mathematically,

where,
F = force exerted = ?
m = mass of the object = 3 kg
a = acceleration of the object = 
Putting values in above equation, we get:

Hence, the force that must be applied is 15 N.
If you drop a bath bomb into water, then it will fizz because a chemical reaction is taking place.