I will mark as brainlest if you can answer A, B, and C for question 4

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?

What is the coldest temperature ever recorded in san antonio?