A gas at -20c occupies volume 140 ml calculate temperature at which the volume of the gas becomes 65 ml pressure conctant.

Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes

All of the following are part of the biosphere except

Asolid that forms and separates from a liquid mixture is called