QCM : Water Fundamentals and Cycles — 9 questions

Explication

The sun is universally credited with providing the heat energy necessary to drive evaporation and other processes of the water cycle. This fundamental concept is well-established in environmental science, making the sun the correct attribution.

Explication

The sun provides the heat energy necessary for evaporation, making it the primary energy source for the water cycle's processes, unlike the moon or geothermal activities.

Explication

The modern scientific understanding of water's states and phase changes was most formally established during the mid-1800s, particularly around the 1850s, with advances in thermodynamics and physical chemistry that described phase transitions and molecular behavior.

Explication

By 1895, the field of physical chemistry had solidified the understanding of water's states within thermodynamics, largely due to developments made during the 19th century.

Explication

Sublimation directly converts a solid into gas without passing through the liquid phase, as seen with ice turning into vapor in cold environments.

Explication

Infiltration refers to water seeping into soil and underground aquifers, unlike runoff which flows over land.

Explication

Water's polarity causes hydrogen bonding between molecules, leading to its unique properties such as high surface tension and boiling point.

Explication

The chemical formula for water is H₂O, consisting of two hydrogen atoms bonded to one oxygen atom.

Explication

Condensation occurs when water vapor cools, loses heat, and forms liquid droplets, often leading to cloud formation.