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Amiraneli [1.4K]
3 years ago
13

Why should we try to protect the narwhal?

Social Studies
1 answer:
Gelneren [198K]3 years ago
6 0

Answer:

because its an underwater unicorn

Explanation:

You might be interested in
A large power plant burns coal to generate electricity for nearby homes and businesses.
Kitty [74]

Answer: c - global warming

hope this helps :)

5 0
2 years ago
Researchers claim that 60 tissues is the average number of tissues a person uses during the course of a cold. The company who ma
ehidna [41]

Answer:

H0 : μ = 60 and H1 : μ ≠ 60

Explanation:

H0 : μ = 60 and H1 : μ ≠ 60

Where ;

H0 = the null hypothesis

μ = mean value

H1 = alternative hypothesis

The null hypothesis is our initial assumption, which is the claim that the average number of tissue used during the course of a cold is 60.

The alternative hypothesis will look to negate the null hypothesis, which is to establish that the mean number of tissues used during the course of a cold is not 60, meaning it could be less or more.

4 0
3 years ago
How does the grain size change from slate to schist? how does the texture of phyllite differ from that of schist? why do you thi
olga2289 [7]

Schist is a medium grade sheet-like grain rock, whereas slate is hard and fine-grained rocks with a salty cleft that is caused by the formation of minerals as a result of the metamorphic of the grain ground rocks.

<h3><u>What is slate?</u></h3>
  • Through low-grade regional metamorphism, slate is transformed from an original shale-type sedimentary rock made of clay or volcanic ash into a fine-grained, foliated, homogenous metamorphic rock. It is the foliated metamorphic rock with the finest grain size.
  • Foliation may occur in planes that are not parallel to the direction of metamorphic compression and instead line up with the original sedimentary layers.
  • Slate's foliation is known as "slaty cleavage." Strong compression is what causes fine-grained clay flakes to grow back in planes perpendicular to the compression, which is what causes it.
  • Many slates exhibit a feature called fissility when carefully "cut" by striking parallel to the foliation, with a specialized tool in the quarry. This results in smooth flat sheets of stone that have long been used for roofing, floor tiles, and other purposes.

Because of its extremely tiny grain size and flat grains, phyllite has a particularly sparkly texture. The largest grain size is seen in schist. Schists are made up of scales, whereas phyllite has a foliated texture.

  • Muscovite and biotite are two minerals that are frequently found in micas and produce the parallel, extremely fine-grained flakes of rock that are seen in igneous rocks with feldspar and quartz.
  • Phyllite, schist, gneiss, and slate are the rocks with the lowest grades, respectively.

Know more about slate with the help of the given link:

brainly.com/question/14046954

#SPJ4

4 0
2 years ago
Dr. Schlocter believes that as neurons in the brain die, breaks in the neural network occur. The brain adapts by forming bypasse
lubasha [3.4K]

Answer: A) neural network

Explanation:

Neutral network view is comprised of the model in which processing of information through brain.It works in the form of neurons for transferring information which are the interconnected  processing units carrying out simulation. Arrangement of these processing units in layer creates the neutral network view.

Other options are incorrect because loss of information is not faced by the units. Breakage of the signal system does not occur due to neuron damage or dying. Interconnection view of model is not made through neuron. Thus, the correct option is option(A).  

8 0
3 years ago
Knauft's study of sister-exchange marriage among the gebusi showed what percentage of first marriages were sister exchanges?
Orlov [11]
I believe the answer is: Just over 50%

in Gebusi culture, the sister exchange often used to for the benefit of the tribe's interest. For example, they often use the sister exchange to build a peaceful treaty with neighboring tribes or as a form of exchange for a certain resources (such as foods) <span />
3 0
3 years ago
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