Mandible is the 1st bone calcified (ossified)in the skull but clavicle start first but same embryological time

publisher :NIL NAM -June 23, 2017

Mandible is the 1st bone calcified (ossified)in the skull but clavicle start first but same embryological time?
A. True***
B. False.

Five ml of a colored solution has an absorbance of 0.500. The absorbance of 10ml of the same colored solution will be.. 0.500