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Tcecarenko [31]
3 years ago
5

The pain of a migraine is caused by: A. vision loss B. Blood vessels narrowing, resulting in less blood flow to the brain C. Blo

od vessels expanding, which allows more blood flow to the brain D. Muscle Tension in shoulders and neck
Biology
1 answer:
Lemur [1.5K]3 years ago
6 0
<h2>Answer is option "A"</h2>

Explanation:

  • Loss of vision can happen out of nowhere or grow step by step after some time. Vision misfortune might be finished (including the two eyes) or incomplete, including just one eye or even certain pieces of the visual field. Vision misfortune is unique in relation to a visual impairment that was available during childbirth, and this article is worried about reasons for vision misfortune in a person who recently had a typical vision
  • Hence, the right answer is option A "vision loss"

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Sauron [17]

Answer:

biological species concept

Explanation:

The biological species concept is the most commonly used and acceptable definition of species, which explains that a group of organisms can be referred to a species if members of the group can interbreed successfully to produce viable offspring that are also fertile. It explains that there tend to be reproduction barriers that would prevent different species of organism from successfully interbreeding. Also, that two organisms have the same appearance, do not necessarily mean they belong to the same species. For example, a horse and a donkey were interbreed to produce an offspring called the mule, but, the mule was found to be infertile. A horse and a donkey are different species, even though they have close appearance.

6 0
3 years ago
Why are scientific explanations subject to change?
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<span>Science knowledge relies on experimental and observational confirmation. Where data is incomplete, new or improved data may well lead to revision of accepted science explanations. In situations where observations are fragmentary, it is normal for scientific ideas to be incomplete, but this is also where the opportunity for making advances may be the greatest.The core ideas of science have been subjected to a wide variety of confirmations and are therefore unlikely to change in the areas in which they have been tested. </span><span>Science knowledge may change due to the development of new techniques for observing investigations (including new technologies), and also through new ways of thinking or framing the questions asked.</span>
3 0
3 years ago
Read 2 more answers
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marusya05 [52]
The balanced reaction would be:

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Like this both side of the reaction would have:
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5 0
3 years ago
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<h3>What is mature soil?</h3>

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A soil can not be more mature than the oldest bushes developing in it. It can not be older than the substances wherein it paperwork or the panorama on which it's far found. Soil scientists paintings with geologists to decide how vintage the panorama is, and the way lengthy the figure substances had been there.

Read more about the geologists :

brainly.com/question/26048596

#SPJ1

6 0
2 years ago
Electromagnetic waves differ in
nlexa [21]
I think the answer is b. wavelength (:
4 0
3 years ago
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