Constraints refers to demarcations of geometrical charecteristics between two or more entities or solid modeling bodies
False
Explanation:
because every problem of a mankind has a solution
The mass number of an atom is its total number of protons and neutrons. Atoms of different elements usually have different mass numbers , but they can be the same. For example, the mass number of argon atoms and calcium atoms can both be 40.
Raise the boiling temperature
