G9 Soil And Surface Water Question Preview (ID: 47030)


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How is soil important?
a) makes a beautiful landscape
b) reduces pollution
c) allows plants and many organisms to grow
d) preserves the bedrock

What is soil made of?
a) rocks and sand
b) organic matter and solid lava
c) rock of different sizes and organic matter
d) sedimentary rock

The soil profile is
a) the same as soil horizon
b) the amount of organic matter
c) the size of rock particles
d) the sequence of its horizons

What two variables control how fast a soil forms?
a) residual vs. transported soil
b) type of bedrock and climate
c) temperature and pressure
d) type and age of bedrock

How is Earth's water supply recycled?
a) the water cycle
b) through lakes
c) rivers
d) Water on Earth is not recycled

Water that flows down on Earth's surface is called:
a) rain
b) precipitation
c) runoff
d) infiltration

What is the name for the land area that separates two watersheds?
a) island
b) divide
c) peninsula
d) stream bank

What is a good way to prevent floods?
a) reducing the runoff speed of the watershed
b) removing barriers along the rivers
c) building towns and parking lots in the watershed
d) removing trees and plants as much as possible

Lakes are
a) streams that cause erosion
b) bodies of water surrounded by land
c) land that is covered by water for a part of the year
d) bodies of salt water that covers most of the Earth

What is that helps cleanin up the waters and provide ecosystems?
a) watershed
b) wetlands
c) water cycle
d) erosion

Eutrophication happens when
a) the lake runs out of nutrients
b) too many nutrients enter the lake
c) the fish eat all the plants
d) most of the water evaporates

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