Ahot air balloon contains 5.30 kl of helium gas when the temperature is 12°c. at what temperature will the balloon's volume have increased to 6.00 kl? (remember to convert to kelvin and then back to celcius.)
(a) 50 °c
(b) -21 °c

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

Did the detergents containing enzymes work better at removing stains than those containing no enzyme? why or why not?