What does "Здражейте, какво пражите?" mean?

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?