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andreyandreev [35.5K]
3 years ago
5

What subject should i study for a project

Biology
2 answers:
lesya [120]3 years ago
8 0
Which color of light heats ice the quickest
Snowcat [4.5K]3 years ago
6 0
Reading. at least that what I would do
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The large flat muscle that moves up and down and alters the volume of the chest cavity is the
Shkiper50 [21]
Diaphragm...is the muscle that helps in respiration.....there are also some other but....you said flat so diaphragm !
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3 years ago
When plates slide past each other, the edges of these plate blank zones
atroni [7]

Answer:

A. Earthquake

Explanation:

When plates slide past each other, the edges of these are earthquake zones. Earthquakes are formed but not volcanoes.

8 0
3 years ago
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At 88 meters (289 feet), Landscape Arch is the longest natural arch in Arches National Park in Utah. Many geologists believe it
kirill115 [55]
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The recreation center is adjoining the Colorado River, 4 miles (6 km) north of Moab, Utah. In excess of 2,000 common sandstone curves are situated in the recreation center, including the notable Delicate Arch, just as an assortment of one of a kind land assets and developments.

A characteristic curve, regular scaffold, or (less usually) shake curve is a characteristic shake development where a curve has framed with an opening underneath. Regular curves ordinarily shape where inland bluffs, waterfront precipices, blades or stacks are liable to disintegration from the ocean, streams or enduring (subaerial forms).

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3 years ago
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Some homeostatic imbalances cause a variable that is normally controlled by negative feedback to be abnormally controlled by pos
tigry1 [53]

Answer:

True

Explanation:

Some deviations from normal homeostasis activate the positive feedback loops to control the conditions which are otherwise regulated by negative feedback mechanisms.

For example, the blood levels of respiratory gases and H+ ions are regulated by a negative feedback system via chemoreceptors. The increased partial pressure of carbon dioxide gas and lowered pH or lowered partial pressure of oxygen in the blood are sense by central and peripheral chemoreceptors which in turn activate the neurons of the dorsal respiratory group (DRG).

The activated DRG triggers an increased in the rate and depth of the breathing to facilitate the inhalation of more oxygen and exhalation of CO2 to restore the normal levels.  

However, hypocapnia inactivates the chemoreceptors and does not allow negative feedback to restore the normal CO2 levels in the blood.  

Under such conditions, the positive feedback loop stimulates the DRG neurons more strongly in response to the increased partial pressure of CO2 above the normal levels than when the partial pressure of oxygen falls below the normal level. These dangerously lowered oxygen levels may also cause fainting.  

5 0
3 years ago
The reproductive organ that produces gametes is called a
svp [43]
Gonads are sex organs that produce gametes. Male gonads are the testes, which produce sperm and male sex hormones. Female gonads are the ovaries, which produce eggs (ova) and female sex hormones.
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2 years ago
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