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diamong [38]
3 years ago
15

5. Describe: How did Earth's oceans form?

Biology
2 answers:
UNO [17]3 years ago
7 0

The earth began as a cloud of dust and hot, shining gas. When our planet began to cool, its surface solidified, surrounded by clouds of water vapour. When this vapour condensed (changed into liquid) and began to fall like rain, seas, and oceans formed in the hollows of the Earth’s surface. Oceans are huge expanses of water which separate the Earth’s continents. The largest ocean is the Pacific Ocean, second, the Atlantic and third largest, the Indian Ocean. Seas are smaller expanses of water, almost always flowing either into oceans or other sea. The waters of the seas and the oceans are always salty, because they are rich in mineral salts and especially sodium chloride, which is the salt used in cooking.

romanna [79]3 years ago
7 0

Answer:

the ocean formed from the escape of <u>water vapor and other gases from the molten rocks.</u>

Explanation:

After the earth's surface had cooled to a temperature below the boiling point of water , rain began to fall - and continued to fall for centuries . Hope this helped .

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Where is long-wavelength radiation created?
Ivahew [28]

On the earth surface

Explanation:

The long-wavelength radiation is created on the earth surface when electromagnetic radiation is re-emitted.

  • The sun releases radiation in form of short-wave.
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  • Ultraviolet rays and other high energy waves are emitted from the sun because it is a very hot body.
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learn more:

Electromagnetic radiation brainly.com/question/6818046

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4 0
3 years ago
Which type of fossil contains little or no organic material
Umnica [9.8K]
A imprint like a foot print in a rock or on concrete when it is fresh!
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4 0
3 years ago
Zebras, water buffalo, and gazelles live together on an African prairie. Together these animals are considered to be a community
ycow [4]

Answer:

True

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4 0
3 years ago
Aquifers are only composed of large underground cave systems that hold large stores of water.
CaHeK987 [17]

Answer:

False

Explanation:

An aquifer is an underground layer of water-bearing permeable rock or rock fractures or. The system shows two aquifers with one aquitard. Some abundant small openings store a large quantity of water. Groundwater may exist in underground rivers or underground cave systems where water flows freely underground. If the impermeable area overlies the aquifer, pressure could cause it to become a confined aquifer.

5 0
3 years ago
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Anon25 [30]

Answer:

Crossing over

Explanation:

During prophase I of meiosis, homologous chromosomes pair to form bivalents. The chromatids of bivalents may form intimate contact points called chiasmata. At the chiasmata breakage may occur and exchange of chromatids segments between non sister chromatids may take place. This is crossing over ad results in new gene combinations causing variations.

3 0
3 years ago
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