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Geography, 16.09.2019 04:30 kx85DirtbikeRider

What is the oldest and most stable part of a continent?
a. crust
b. pluton
c. craton
d. shield user: a substance that enters earth's cycles and does harm to living things is
a. oxygen.
b. hydrogen.
c. a pollutant.
d. freshwater. user: the cenozoic era is also referred to as the
a. age of mammals.
b. age of fish.
c. first era.
d. age of dinosaurs

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What is the oldest and most stable part of a continent?
a. crust
b. pluton
c. cra...
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