geography

Question 1

Soil erosion

Answer 1

the wearing away of soil by wind and water

Question 2

Spheres of the earth

Answer 2

the lithosphere (land), hydrosphere (water), biosphere (living things), and atmosphere (air).

Question 3

Population growth and its impact on the environment

Answer 3

the increase in the number of individuals in a population- population growth plays a key role in environmental sustainability. It can lead to the deforestation, water pollution, and air pollution. These have a negative effect on the environment and also impact human daily lives.

Question 4

Quality of life

Answer 4

the standard of health, comfort, and happiness experienced by an individual or group.

Question 5

Sustainability

Answer 5

how natural systems function, remain diverse and produce everything it needs for the ecology to remain in balance

Question 6

Renewable energy

Answer 6

produced using natural resources that are constantly replaced and never run out.

Question 7

salinity

Answer 7

the concentration of dissolved salts in water etc., usually expressed in parts per thousand by weight.