The resultant of a 40-n force at right angles to a 30-n force is:.

if the thermos has a vacuum innner, then heat through conv currents and conduction are reduced = vacuum flask

seeing the graph would

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

hope this : d