Featured image: Katie Hawrysh @khawrysh / Unsplash



Change caused or produced by humans

The envelope of gases surrounding the earth

The changing of a liquid into a gas

Descending air
As air warms, it ascends leading to low pressure at the surface. As air cools, it descends leading to high pressure at the surface

Glacial and inter-glacial cycles
Large continental ice sheets in the Northern Hemisphere have grown and retreated many times in the past. We call times with large ice sheets 'glacial periods' (or ice ages) and times without large ice sheets 'interglacial periods'. Glacial periods are colder, dustier, and generally drier than interglacial periods

Grain size
The diameter of individual grains of sediment

The process in which electromagnetic radiation or particles are deflected or diffused