A Geiger counter is a type of particle detector that measures ionizing radiation. Geiger counters are used to detect ionizing radiation
Radiation: Heat from the stovetop.
Conduction: Heat from Stove to Pot.
Convection: Water boiling.
I will now take my points.
This can be solved using the Combined Gas Law. The formula for that is

Let's go ahead and fill in our known values. Since pressure remains the same, it doesn't matter what number we use, so let's assume 1 atm on both sides. For temperature, remember to convert it to Kelvin first (K = C + 273).

Go ahead and simplify both sides.
0.001238 = 
Multiply both sides by 573.
0.7095 = x L
So, at 300° C, your gas will occupy 0.7095 L.
At high altitudes, air pressure is lower. That means that the boiling point of water is lower as well (lower air pressure means that water molecules need less energy to turn into gas), and because the water is boiling at a lower temperature it takes longer for it to cook the pasta.
hope this helps!
(:
Answer:
No.D is the molecules that has trigonal pyramidal sape