The Terrestrial Environment Chapter 16

Question 1

What is physical Action/weathering in soil formation?

Answer 1

Is rocks broken down by physical process into smaller pieces without altering the chemical composition of the rock

Question 2

What is chemical action/weathering?

Answer 2

Is when rocks are broken down by chemical process that alter the chemical composition of the rocks

Question 3

What is Biological action/weathering?

Answer 3

Is rocks broken down by living organisms

Question 4

What is Humus?

Answer 4

Is bacteria and fungi decomposing dead and waste organic matter in soil.

Question 5

The water cycle involves

Answer 5

Evaporation
Exhalation
Condensation
Precipitation

Question 6

Evaporation is where

Answer 6

Water is taken from bodies of water and enters into the atmosphere

Question 7

Exhalation is where

Answer 7

Water is taken from plant leaves

Question 8

Condensation is when

Answer 8

Water vapour in the atmosphere cools and condenses to become droplets

Question 9

Precipitation is where

Answer 9

Water from clouds falls back onto earth

Question 10

What are the difference types of air pollution transported by Air masses?

Answer 10

Industrial gases
Landfill fumes
Particulate matter
Radioactive fallout

Question 11

How does water retention and air content differ between loam, clay and sand

Answer 11

Clay with its many small pores can hold more water than a sand while loan is the combination of clay and sand

Question 12

which type of soil do plants grow best in and why?

Answer 12

Loam is best for plant growth as it has high water retention

Question 13

What is one effect of cutting down a forest on the water cycle?

Answer 13

evaporation levels are disrupted, drying up the moisture in the air and throwing off the balance of the water cycle