Which of the following solids has the highest electrical conductivity?
a. quartz
b. sodium chloride c. sugar
d. copper

Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground

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

Iwould appreciate if someone could me.