L’idrosfera - Exercises in English #609926 - Prove ed esercizi Zanichelli

Oceans

Earth is covered by oceans for

A:

more than three quarters of its surface

B:

approximately one third of its surface

C:

approximately two thirds of its surface

Scelta multipla

Fresh water reservoirs

The main fresh water reservoir on Earth is represented by

A:

groundwater aquifers

B:

rivers and lakes

C:

polar ice caps and glaciers

Scelta multipla

Water vapour

Water vapour becomes liquid after undergoing

A:

evaporation

B:

condensation

C:

transpiration

D:

liquefaction

Scelta multipla

Groundwater

An wetting a permeable rocky layer resting over an impermeable layer is called ; if instead it is confined between two impermeable rocky layers it is called .

Completamento aperto

Fresh water

The proportion of fresh water compared to seawater on Earth ranges between

A:

3 and 4%

B:

2 and 3%

C:

1 and 2%

D:

0 and 1%

Scelta multipla

Density of seawater

The density of seawater is influenced by

A:

light and depth

B:

temperature and salinity

Scelta multipla

Organic pollutants

Organic pollutants include

A:

chromium

B:

petroleum-based chemicals

C:

pesticides

D:

viruses

Scelta multipla

Hydrosphere

State if true or false.

A:

Salinity is highest in cold polar waters.

B:

The carbon dioxide dissolved in seawater is exclusively of atmospheric origin.

C:

Salinity is not influenced by the temperature of seawater.

D:

The temperature of seawater decreases with depth.

E:

The density of seawater is influenced by temperature and salinity.

F:

The deep zone of the sea, where light does not penetrate, is called photic zone.

Vero o falso