ATMOSPHERE
What gas makes up 78% of the earths atmosphere?
nitrogen
what does this hydrosphere include
all of the earths water
biosphere is derived from the word bio meaning WHAT
life
what does the LITHOSPHERE include
the Earths crust and cooler parts of the mantle
Natural or human-caused events influence and impact the Earth’s ____
Spheres
what is the atmosphere
This sphere surrounds Earth and extends about 100 km above the surface.
What percentage of Earth’s water is salt water?
97%
Most life exists within ___ metres above and ___ metres below Earth’s surface
300 m above and 10 m below
The continents and mountains sit on this layer of the Earth
The crust
Human-caused events, such as pollution, mainly affect what two spheres
biosphere and atmosphere
The atmosphere becomes increasingly ______ the higher you go
thinner
What percentage of Earth’s water is freshwater, and how much is frozen?
3% freshwater, with 2% frozen?
what are 3 example that fall into the sphere of biosphere
plants, animals, fungi...
name 3 things that belong to this sphere
The continents, ocean floor, and mountains, soil, minerals
Flooding links the hydrosphere with this human-inhabited sphere
biosphere
The atmosphere reflects and absorbs this
radiation
What are 5 things that are included in the hydrosphere
Oceans, rivers, ice caps, rain, snow, and water vapour are all examples of this sphere
what is an exception to the idea that most life can be found 300m above or 10m below the surface of the biosphere
flying birds
lithosphere is derived from the word "litho," meaning what?
stone
volcanic eruptions mainly impacts what 3 spheres?
atmosphere, biosphere and lithosphere
Besides gases, the atmosphere is crucial because it provides this to living organisms
oxygen
Hydrosphere is derived from the word "hydro" meaning WHAT
water
Why is the biosphere considered the most interconnected of all spheres?
Because it relies on the atmosphere for air, the hydrosphere for water, and the geosphere for land/soil.
what are 5 examples that are part of the lithosphere
mountains, rocks, soil, minerals, ocean floor
Earthquakes primarily start in this sphere but ripple into all the others.
lithosphere