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adell [148]
3 years ago
10

when did the Jurassic Period end? A) 66 million years ago B) 144 million years ago C) 163 million years ago D) 190 million years

ago​
Geography
2 answers:
zimovet [89]3 years ago
8 0

Answer:

145 million years ago

Explanation:

The cause of the end-Triassic extinction is a matter of considerable debate. Many scientists contend that this event was caused by climate change and rising sea levels resulting from the sudden release of large amounts of carbon dioxide.

BaLLatris [955]3 years ago
6 0

Answer:

B) 144 million years ago

Explanation:

it started around 201 million years ago and ended around 144 million years ago. it was preceded by the triassic period and was followed by the cretaceous period.

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3 years ago
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The sources of air masses occur only in low and high latitudes because
vlabodo [156]

Answer:

b. There is insufficient contrast in surface type (land vs. ocean) in the middle latitudes.

Explanation:

The sources of air masses can be produced or at very high latitudes because they can carry big amounts of air from the top of a mountain till the bottom by the differences of pressure and temperatures. This kind of air mass is called continental.

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4 0
2 years ago
Giving the right triangle JKL what is the value of cos (L)
kvasek [131]
<h2><u>Answer:</u></h2>

For the right triangle to be given in name of three letters such as this, the right angle is most likely to be in the center, in this case letter K. To determine the common trigonometric properties of a certain angle we may use of the mnemonics SOH - CAH - TOA. 

                         sin angle = opposite side / hypotenuse

                         cosine angle = adjacent side / hypotenuse

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If we let small letter j, k, and l be the sides opposite to angles J, K, and L, respectively. Then, the cos (L) will be,

                                      cos (L) = j/k

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Tresset [83]

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EastWind [94]
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