Hello!
The primary advantage of multiple researchers obtaining the same result is the conclusion is likely to be more credible when they are independently verified. As the work done by them gives the same result, it can be easier to believe.
It's the first one is the answer
The only true answer here is B. if you have a periodic table, you can see that Magnesium atomic number is 12 while Aluminium's is 13. this means Al has 1 more proton and weights more than magnesium since proton and neutrons contribute to the weights of the atoms.
Answer:
It cannot be said with certainty that the Kennedys or, with a few exceptions, any other specific patient received amphetamine. It is known, however, that Dr, Jacobson uses unusually large amounts of amphetamine in his practice. The doctor's office reported that