11) Identify the number of elements and the number of atoms present in the chemical formula. NaHCO ² 4; 6
5; 6
4,5
3; 5

U whay do you need with?

There is no reason to think the results are biased or not conducted properly but you should not assume the results are correct just because they were done in a laboratory so the answer would be c. it is likely to be reliable because the results support the conclusion presented.

The answer is c - the principal of original lateral continuity.