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Why is so little water used for drinking and agriculture when it is the largest resource?
Because only 3 percent of the liquid water on Earth is use-able for drinking and agriculture. The rest of it is salt water which can not be used for either.
How is electricity used in agriculture?
Often the very same way you would use electricity.
How is shading used?
Shading is used to give objects a sense of form on a flat surface.
Why was sandstone used to build the cumbria bridge and not limestone?
limestone is not used in Columbia because crevices are present on its surface, while sand stone has porous surface which readily absorbs pollutants.
How can moving surface water be used?
power generation, irrigation, travel, and recreation
What percent of earths water can be used for drinking?
2
How are baselines used to locate points on earths surface?
The Equator
How are these baselines used to located points on earths surface?
The Equator
What term refers to magma at the earths surface?
Lava is the term used to refer to magma that reaches the Earth's surface.
What term is used for a drawing of earths surface?
That would be a physical map.
What is a picture used by mapmakers to stand for a feature on earths surface?
symbols
Is the level of the ocean's surface used as a reference point when measuring height of depth of the earths surface?
Yes it is.
What percent of Australia's labor force is used in agriculture?
Since agriculture is a big part here in Australia, in school we learned that 17.2% of people work in agriculture.
How are longitude and latitude used to locate points on earths surface?
They are used to locate a certain place on a map.
What is the term used for solid rock beneath the earths surface soil and gravelsurface?
Bedrock
Are contour lines used to indicate horizontal distances or vertical distances on earths surface?
Horizontal
How many percent of the Earth's surface is used for living?
40%
