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Romashka-Z-Leto [24]
3 years ago
7

Tench fish can’t survive salt concentrations beyond 1%. In which two areas can these fish be found?

Biology
2 answers:
Degger [83]3 years ago
7 0

Answer:

Lakes and rivers

Explanation:

Lago is the name used to designate a naturally formed depression that constantly stores a large amount of water. The water contained in a lake can have several origins, such as: own spring, rainwater, salt water from ancient seas, rivers and melting glaciers. The salt concentration in the lakes is greater than the concentration that allows the tench fish to survive. The same happens with the concentration of salt in rivers.

A river is a watercourse that flows naturally from a higher area to a lower one of the relief, usually flows into another river, lake or sea. These water courses are formed from rain, which is absorbed by the soil until it reaches impermeable areas in the subsoil where it accumulates, constituting what we call groundwater.

Naddika [18.5K]3 years ago
6 0

Answer: lakes and rivers

Explanation:

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"Explain how and why de-oxygenated blood is pumped to the lungs and is then returned to the heart were the blood now rich with o
Jlenok [28]
<h2><u>Heart and lungs:</u></h2>

The upper chamber of the heart is called atrium and lower chamber of the heart is called ventricles.

The blood circulation in the heart is basically under the functioning of three blood vessels namely:

<h3><u>Arteries: </u></h3>
  • They start with the aorta, the huge vein leaving the heart.
  • Veins divert oxygen-rich blood from the heart to the majority of the body's tissues.
  • They branch a few times, decreasing and littler as they convey blood more remote from the heart.
<h3><u>Capillaries: </u></h3>
  • These are little; flimsy blood vessels that associate the arteries and the veins.
  • Their dainty dividers permit oxygen, supplements, carbon dioxide, and other waste items to go to and from our organ's cells.
<h3><u>Veins: </u></h3>
  • These are the blood vessels that return blood to the heart; this blood needs (oxygen-poor) and is wealthy in waste items that are to be discharged or expelled from the body.
  • Veins become bigger and bigger as they draw nearer to the heart.
  • The unrivaled vena cava is the huge vein that brings blood from the head and arms to the heart, and the second rate vena cava brings blood from the mid-region and legs into the heart.
6 0
3 years ago
Can anyone help me in this question!!!
MissTica

Answer:

its b

Explanation:

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6 0
3 years ago
DNA is a double helix with many regions. Which evidence best explains the structure of DNA? (2 points)
Andrew [12]

Answer:

A

Explanation:

the sequence of genes on a DNA molecules contain the instructions that code for protein

8 0
2 years ago
The right ventricle transports oxygenated blood to the lungs true or false
adell [148]

I believe the correct answer is FALSE.

<h2>Explanation:</h2>

The heart is an organ located at the center of the chest in the thoracic cavity and functions to supply blood to and from tissues giving the tissues oxygen and nutrients while taking away carbon dioxide and waste products. It is divided into 4 chambers and 2 chambers are separated by a muscular wall that prevents mixing of the blood.

<h2>Further Explanation:</h2>

Blood enters the heart via the vena cava which is divided into the superior vena cava that recieves blood from the upper region of the body that includes the head, neck and chest while the inferior vena cava recieves blood from the lower extremeties that includes the legs, the abdomen, the pelvic region and the thighs. The blood is deposited into the right atrium and is de-oxygenated. When it is deposited into the right atrium, the change in volume of the atrium and the expansion causes the valve to open and allow the de-oxygenated blood to flow into the right ventricle. The right ventricle then pumps the blood that is de-oxygenated to the lungs via the pulmonary artery which is the only artery that pumps de-oxygenated blood. In the lungs, carbon dioxide is removed and oxygen added to the blood and is taken to the left atrium which pumps the oxygenated blood to the left ventricle and then the left ventricle pumps the oxygenated blood to the rest of the body. The blood is then again taken through the body via the capillaries and the veins pick up the blood that has been removed of oxygen and added with carbon dioxide and transport the blood back to the heart via the vena cava. It enters the right atrium via both the inferior and superior vena cava and the de-oxygenated blood is circulated again to the lungs for oxygenation from the left ventricle.

<h2>Learn More:</h2>

Learn More about types of circulation: brainly.com/question/1615925

Learn more about the heart: brainly.com/question/12945500

Learn more about the circulatory system: brainly.com/question/919984

Level: High School

Subject: Biology

Topic: The Circulatory System

6 0
3 years ago
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Answer:

The term for the process of gathering information through images taken at a distance would be remote sensing.

7 0
3 years ago
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