Answer:
it is magnetic force
Explanation:
Magnetic force is the best force when there are different sized forces from opposite direction acting on an o jet it only work when the object is metal like iron nail,aluminium etc
They conduct electricity. They tend to have conductors of electricity.
Answer:
(b)90mg/lb
Explanation:
The child can consume a maximum of 23 tablets with 80mg of acetaminophen, the total acetaminophen ingest is:

This value is for 8 hours, 8 hours is 1/3 of one day. This means that the dose that can be consumed in 24 hours is 3 times 1840mg.

To obtain the maximum allowable dose in mg per pound of body weight, divide this last value by the weight of the child in pounds.
Conversion of units: 
