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Cloud [144]
3 years ago
9

What structure is present in dolphin but absent or greatly reduced in other whales?

Geography
1 answer:
konstantin123 [22]3 years ago
4 0

Answer:

The term “whale” is a word used to describe several different types of marine mammals, which include whales, dolphins and porpoises.

Together these three distinct animal groups make up what is known as the cetacean species.

While the name whale can sometimes refer to all cetaceans (whales, dolphins & porpoises) it usually excludes dolphins and porpoises in order to ensure that the three animal groups are easily identifiable.

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According to the geologic time scale, how is the most recent eon subdivided?
Olenka [21]

Answer:

The most recent eon is subdivided into three eras and eleven periods.

Explanation:

The geological time scale has been constructed so that it can help in better research and understanding of the past, as well as making it easier to distinguish the past and its characteristics at a certain time. There are larger and smaller divisions in the geologic time scale, with the eon being the largest unit, followed by era, and then period.

The most recent eon is the Paherozoic, starting from 542 million years ago and still going on. It is subdivided into three eras and eleven periods so far. The three eras are:

  • Paleozoic
  • Mesozoic
  • Cenozoic

The eleven periods are:

  • Cambrian
  • Ordovician
  • Silurian
  • Devonian
  • Carboniferous
  • Permian
  • Triassic
  • Jurassic
  • Cretaceous
  • Tertiary
  • Quaternary
8 0
3 years ago
Pleaseeee help!!!! I will mark you as brainlinest for correct answer!!!!!!!!
GenaCL600 [577]
This is FALSE, because Mt. Elbrus is not located in the Ural Mountains. It is located in the Caucasus Mountains.
6 0
3 years ago
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_________ act like large rivers in the Earth’s oceans and help spread Earth’s heat and shape climates.
Makovka662 [10]
<span>A. Ocean currents, is the only logical answer this question I mean come on I know for a fact I'm correct</span>
6 0
3 years ago
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Witch value is equivalent to 7.2 kilograms?
LUCKY_DIMON [66]

It's B


Kilograms literally means Thousand grams..


So, 7.2 thousand grams -- 7,200 grams

5 0
3 years ago
Which of the following is not usually an important factor in the site and growth of cities? a. nearby resources b. location on t
yan [13]

A) is not the answer because we use nearby resources as an important factor in the site and growth of cities.

B) is not the answer because we need to be able to go and trade with other cities, or countries.

C) is correct because people don't use the prevailing wind direction as an important factor in the site and growth of cities.

D) is not the answer because we need to be able to defend our city or country.

So the correct answer is C)

Hope I helped.

4 0
3 years ago
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