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Dennis_Churaev [7]
3 years ago
6

What is used in fossil fuels?​

Biology
1 answer:
Finger [1]3 years ago
3 0

• Coal, oil and natural gas are three of the most common types of fossil fuels. ...

• Common Fossil Fuel Uses. ...

• For Transportation. ...

• Production of Electricity. ...

• In Homes. ...

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How could a nervous system disorder affect the respiratory system?
astraxan [27]
I would go with B, It would disrupt the rate of ventilation because the ventilation is the where  clean air comes from the lungs, Also the <span>respiratory system is the most important system in the body, It causes air to come in and breath, without it we would die.

I hope I answered your question. 
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5 0
3 years ago
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During the World Series, a player hit a home run. He hit the ball with the bat and then had to run around all of the bases, back
joja [24]

Answer:

A

Explanation:

4 0
3 years ago
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How did linnaeus classify organisms? why is his system for naming organisms so useful?
Lunna [17]

The species is the smallest among all group; it has only one kind of organism.  Through to the system developed by Linnaeus, each organism is given a two-part scientific name that consists of a genus name and a specific name. The words used for scientific names are from the Latin and Greek languages. They sometimes seem difficult to read and even harder to pronounce. Since the different species of organisms number in the millions, it is necessary for scientists around the world to have a common language to be able to identify any organism with accuracy. As you know, people in different countries have different names for organisms. This naming system prevents confusion.

3 0
3 years ago
The heart in fish only has two chambers, but oxygenated and deoxygenated blood never mix. Why is the 3-chamber heart of amphibia
loris [4]

Answer:

The correct answer is option d.

Explanation:

In a fish, the heart comprises two chambers, a ventricle, and an atrium. The deoxygenated blood comes through the body, moves into the atrium and then into the ventricle, from where it is pushed towards the body through the gills.  

The pumping of the blood via the heart takes place via the capillary beds of the gills and via the tissues’ capillary beds. When the blood come in the capillary beds of the gills it gets slow down. It moves gradually via its path to the tissues and requires skeletal muscular activity to help the blood to mediate towards the heart again. Thus, a fish is dependent upon the physical effort for blood to get circulated again to the heart.  

The heart of an amphibian-like the frog exhibits three chambers, two atria and one ventricle. In the process of circulation, that is, in the ventricle, the oxygenated and the deoxygenated blood gets mixed prior to being impelled out of the heart. However, amphibians possess lower metabolisms and thus, they need less oxygen. The requirement of a lesser amount of oxygen puts less pressure on the heart to provide blood with high oxygen. Thus, a heart comprising three chambers is suitable for the requirements of amphibians who could absorb oxygen via their moist skin.  

4 0
3 years ago
Familial hypercholesterolemia (FH) is an inherited trait in humans that results in higher than normal serum cholesterol levels (
valentinak56 [21]

Answer:

Thanks for you question. Your hypothesis suggests a linear relationship between serum Cholesterol levels and MI. This hypothesis seems to ignore the difference in the prevalence and effectiveness of LDL receptors in the FH patient.

FH patients who have inherited the mutation from both parents have very few LDL receptors in their blood and therefore almost no ability to pass the unused Cholesterol through the liver. FH patients who are heterozygous will have more LDL receptors although both will find Cholesterol removal problematic without the addition of a PCSK9 inhibitor.

In short, your hypothesis need to account for other factors that are in play.

Explanation:

Consider my case. I am a 64 year old male who has Heterozygous Familial Hypercholesterolemia. Before treatment at age 12 my Total cholesterol was 510 mg/dl. My genetic testing shows two mutations to the LDL Receptor gene with only one mutation being pathogenic. My first heart attack was at 47 and first stroke at 62. My current LDL is too low to detect with the use of a PCSK9 inhibitor (Repatha®).

8 0
3 years ago
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