Share 2G Unit C Our Earth Chapter Test B (2nd)
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Bits of rock, rotting plants, minerals, and sand form .................. A) compost B) soil
B) soil
Tossing papers on the ground causes................ A) litter B) compost
A) litter
All ........................ are made up of minerals. A) rocks B) compost
A) rocks
Harmful waste on land, in the air, or in water makes ................ A) pollution B) litter
A) pollution
People ....................... when they use old things to make something new. A) reduce B) recycle
B) recycle
People can ................... waste by cutting back on the things they use. A) reuse B) reduce
B) reduce
When food scraps decompose, they form ................. A) compost B) conserve
A) compost
People ...................... when they use something again. A) reuse B) reduce
A) reuse
To save resources for future use is to ................ A) conserve B) reuse
A) conserve
All living things will ...................... after they die. A) decompose B) conserve
A) decompose
Which are examples of minerals? A) clay and sand B) oil and coal
A) clay and sand
What provides the nutrients in compost? A) bits of clay and sand B) decomposing food
B) decomposing food
Why do plants not grow well in subsoil? A) It does not have nutrients B) It is full of rocks and stones
A) It does not have nutrients
What should people do before they throw something away? A) see if it can be reused first B) find a secret place to put it
A) see if it can be reused first
How can you tell if something is a natural resource? A) It comes from Earth B) It turns into compost
A) It comes from Earth
