Question 19 of 30 A helium balloon's temperature is raised by 1°C. Will this cause its molecules to move faster or slower?
they will move at the same speed
faster
slower​

heating of anything increases the kinetic energy of its molecules, so the molecules will move faster.

d. air pressure decreases as altitude increases.

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table