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VLD [36.1K]
3 years ago
7

An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the:

Biology
2 answers:
pav-90 [236]3 years ago
8 0
Answer: B. Middle ear

Air pressure regulation is the work of a narrow passage called the Eustachian tube.
Vika [28.1K]3 years ago
6 0

Answer: C

Explanation:

The eardrum is what sound vibrates off of, therefore the eardrum would be most effected by air pressure.

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The genetic analysis of Neanderthal bones indicates they
ikadub [295]

Answer:

The correct answer will be option-B.

Explanation:

<em>Homo neanderthelensis</em> or Neanderthals are the close relatives of the <em>Homo sapiens</em> or modern humans which became extinct around 10,000 years ago.

The Neanderthals and sapiens are the two related species of the same genus Homo but they showed distinct features like Neanderthals were muscular and shorter in height compared to the <em>Homo sapiens</em>. Recent fossils indicated that Neanderthals and<em> Homo sapiens</em> interbreed in some parts of the world as they were closely related to each other.

Thus, Option-B is the correct answer.

4 0
3 years ago
Which statement about the Earth's magnetosphere is FALSE? A) It is the name of Earth’s magnetic field. B) It is found only over
Veseljchak [2.6K]

The correct answer is option C

Reason:

The Earth's magnetosphere is the outer space in the space which it occupies and thus its existence over pole is a wrong statement

5 0
3 years ago
Which of the following distinguishes why deer populations have increased?
miskamm [114]

Answer:

The most correct option is the first option

Explanation:

A deer is an herbivorous animal that is usually preyed upon by many wild carnivorous animals like lions, tigers and leopards. Hence, when the population of these wild predatory carnivorous animals reduce, the population of the deer would increase because fewer of them would them would be killed by predators despite them (the deers) reproducing.

Note that a predator is an animal that feeds upon another animal (referred to as prey) of lower "strength".

3 0
3 years ago
What are some examples of anatomical homologies that are analogous?
mariarad [96]

Answer:

Explanation:

The arm of a human, the wing of a bird or a bat, the leg of a dog and the flipper of a dolphin or whale are homologous structures. They are different and have a different purpose, but they are similar and share common traits.

4 0
2 years ago
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