Share 2G Unit C Our Earth Chapter Test A (2nd)
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Living and nonliving things can be hurt by.......... A) pollution B) minerals
A) pollution
To ................. something is to save it for future use. A) conserve B) recycle
A) conserve
Rocks are made of .................... A) minerals B) compost
A) minerals
To save water, people should .................. the amount they use. A) reduce B) recycle
A) reduce
Pieces of rotting plants and animals are important parts of ................ A) compost B) pollution
A) compost
Garbage that people leave behind is called............... A) compost B) litter
B) litter
Once living matter dies, it starts to .................... A) decompose B) litter
A) decompose
Bits of dead plants and animals make up .................... A) compost B) soil
B) soil
Making new things out of old things is how people ............. A) recycle B) reduce
A) recycle
Different kinds of minerals make up ................ A) soil B) rock
B) rock
What is true about all natural resources? ............ A) They come from Earth B) They take years to form
A) They come from Earth
How can people cut back on garbage? A) They can reuse things over and over B) They can toss their trash in the ocean
A) They can reuse things over and over
What are mica and quartz? A) minerals B) soil
A) minerals
Where do plants grow best? A) in subsoil B) in topsoil
B) in topsoil
How does compost make soil healthy? A) It adds nutrients to the soil B) It adds minerals to the soil
A) It adds nutrients to the soil
