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Ivenika [448]
3 years ago
14

Describe the view if you were to stand in the umbra of a lunar eclipse.

Biology
1 answer:
dlinn [17]3 years ago
6 0

During a solar eclipse, when the Moon's shadow falls on the Earth, we stand in the shadow rather than looking at it. Observers standing in the umbra see a total eclipse of the Sun, while observers under the penumbra see a partial eclipse.

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If a hemoglobin molecule comes into close contact with a respiring cell, the presence of CO2 in the environment will cause hemog
lapo4ka [179]

Answer:

No, when the concentration of carbon dioxide is high, such as in peripheral tissues, CO2 binds to hemoglobin and the affinity for O2 decreases, causing it to release.

Explanation:

The O2 molecule is reversibly combined with the heme portion of the hemoglobin. When the partial pressure of O2 is high, as in the case of pulmonary capillaries, for example, the binding of O2 to hemoglobin and the release of carbon dioxide are favored, this is known as the Haldane effect. If, on the contrary, when the concentration of carbon dioxide is high, such as in peripheral tissues, CO2 is bound to hemoglobin and the affinity for O2 decreases, causing it to release, this is known as the effect Bohr.

8 0
3 years ago
What biome do palm trees live in?
Harrizon [31]
Palm trees mostly live in the Desert..

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6 0
3 years ago
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Increasing the height of an object will increase the potential energy of the object. True or False?
nalin [4]

Answer:

Explanation:

True

8 0
2 years ago
Two individuals from two different countries are having a conversation about marine organisms. The first person is trying to nam
Diano4ka-milaya [45]

The use of scientific name, which follows the rules of a standardized classification system.

<h3>Scientific classification of organisms</h3>

The scientific classification of organisms is known as the taxonomy. This system is used to categorise organisms into seven main divisions which include:

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  • Phylum or Division,

  • Class,

  • Order,

  • Family,

  • Genus,

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This system of naming organisms is accepted internationally. If the first person that named the killer whale used the scientific name which is <em>Orcinus orca,</em> the second person would have understood better.

Learn more about taxonomy here:

brainly.com/question/4110891

6 0
2 years ago
When a person breathes, the nose and mouth take in oxygen-rich air, and they expel oxygen-poor air. Which statement explains the
kkurt [141]

Answer:

the oxygen concentration decreases only when the air reaches the alveoli, which are the terminal branches of the respiratory system

Explanation:

The human respiratory system is responsible for taking in oxygen-rich air, and they expelling oxygen-poor air. The respiratory system consists of lungs, which helps in the exchange of gases: Oxygen and carbon dioxide.

The statement ''the oxygen concentration decreases only when the air reaches the alveoli, which are the terminal branches of the respiratory system'' explains the change in oxygen concentration of the inspired air

7 0
3 years ago
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