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Earth And Life > The Amazing Planet Earth > Flashcards

The Amazing Planet Earth Flashcards

1
Q

When was the first picture of the earth taken?

A

December 7,1972

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2
Q

The most common element in rocks

A

Oxygen

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3
Q

Second most abundant element

A

Silicon

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4
Q

Earth’s atmosphere

A

78% nitrogen and 21% oxygen

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5
Q

Mantle

A

Made of iron and magnesium-rich silicate rocks

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6
Q

Earth’s core is mostly consists of…

A

Iron and nickel

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7
Q

Shape of the earth

A

Oblate spheroid

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8
Q

Location of the earth’s

A

Habitable zone

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9
Q

Theory of continental drifting

A

Pangea

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10
Q

Composition of elements on earth

A

Oxygen, Silicon, Aluminum, Iron, Calcium, Sodium, Potassium, Magnesium, Others

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Earth And Life (6 decks)

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