Ch1 Flashcards
(40 cards)
What is air made of
Oxygen nitrogen mix of other gases
What is air
Colorless,tasteless, order less mixture of gases
Why is air quality dependant on conditions all over the globe
Air moves
How much oxygen should be present in order for humans to survive
29%
What are the major threats to air quality
Radio active dust, sulfur, pesticides, lead
What is the greenhouse effect
When air is heated by uv lights and heat gets trapped in the earths atmosphere
What are the methods used to maintain and improve air quality
Keep ac maintained, filters, vintilation
What is water
Colorless odorless tasteless liquid
What is soil
Top later of the earth made up of organic matter for growing plants
How do characteristics of the land effect water quality
Runoff flooding erosion
What are the types of soil water
Gravitational
Capillary
Hygroscopic
What is erosion
The breakdown of something
What are major causes of erosion
Wind and water
What factors affect soil erosion by wind and water
Plants, farming practices, construction sites
What are the practices used to conserve water and soil
Wind breaks, water restrictions, no till, terrace farming
What are the threats to water quality
Chemicals, trash, oil, nuclear waves, pesticides
Why is water called a “universal solvent”
Change/dissolve substances
Describe the water cycle
Water forms into clouds
Precipitation falls to earth
Runs off to surface areas
Percolation/ground water
What are the ways the land holds water
Ground water
Surface water
What is plant growing media
Material plants grow in
How did early people improve soils
Accepted it or moved to better soil
Why are misses used for growing plants
They hold a lot of water
What are the two mineral based plant growing media used by horticulture industry
Perlite
Vermiculight
What is parent material
Where soils develop
