What made Wagener believe the continents may have all been one unit?

1 answer:

8 0

In 1912 Alfred Wegener (1880-1930) noticed the same thing and proposed that the continents were once compressed into a single protocontinent which he called Pangaea (meaning "all lands"), and over time they have drifted apart into their current distribution.

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yulyashka [42]

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3 years ago

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Nadusha1986 [10]

Answer:

13.72units

Explanation:

Given parameters:

Coordinates of the two points = (-5.2, 7) and (3,- 4)

Unknown:

Distance between the two points = ?

Solution:

To find the distance between two points, we use the mathematical expression below;

D = $\sqrt{(x_{2}-x_{1} )^{2} + (y_{2} - y_{1} )^{2} }$

From the given coordinates;

x₁ = -5.2 x₂ = 3

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Now; input the parameters and solve;

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igor_vitrenko [27]

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Until the early Proterozic there were only negligible amounts of free oxygen in the atmosphere

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