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Mandarinka [93]
4 years ago
11

How does blood flow through the heart?

Biology
1 answer:
Liula [17]4 years ago
4 0
Through the arteries
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The combination of dominant tree species in Eastern forests will likely change in the future. Some forest types,
Katen [24]

Answer:

<em>C)  Eat locally-produced and organic food; cur meat and dairy consumption.</em>

Explanation:

Eating organic food will be of no help because humans do not usually use forest trees as food resources. And hence, it will be of no help to stop the carbon dioxide emissions. Hence, option C will be of no help.

The consumption of green products will lead to lesser production of carbon dioxide and hence can be helpful. Using alternate energy sources which are not carbon based will also help to reduce the amount of carbon dioxide. If lands are restored then, these trees will not change over time. Hence, option A, B and D are helpful for  no substantial change in the tree species over time.

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4 years ago
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Which is NOT an example of surface water?
Pani-rosa [81]
Clouds may contain water but it’s not surface water
6 0
3 years ago
In the human body, muscle cells have an increased need for energy during exercise. To help supply this energy, the body will imm
matrenka [14]

The correct answer is option (h) the breathing rate to supply more oxygen to cells for the release of energy.

Breathing refers to the process of inhaling oxygen and exhaling carbon dioxide from the lungs. A normal breathing rate at rest is around 15 breathes per minute which is significantly increased to 40 -50 breathes per minute during vigorous activity or excercise.

During exercise, the breathing rate, pulse rate and lactic acid levels increase in the human body. Muscle cells have an increased need for energy and heart pumps more oxygen to the muscle cells to meet the requirement. Breathing rate increases to supply more oxygen to the muscle cells which is required for the oxidation of the glucose, release of more energy and to get rid of the carbon dioxide.


5 0
3 years ago
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The only carbohydrate in the homemade fruit smoothie comes from naturally occurring sources of milk and fruit sugar. Use the "i"
Anna [14]

Answer:

Banana.

Explanation:

Carbohydrate is one of the most important biomolecule of the living organisms. Carbohydrates may be defined as the polymer of sugars that are linked together through the glycosidic bond.

The recipe contains strawberry, banana. The greatest amount of carbohydrates comes from the bananas as bananas are the richest source of carbohydrate. The banana contains around 80% of the starch and provide around 22.8 grams of carbs from single banana.

Thus, the answer is banana.

8 0
3 years ago
The energy in most ecosystems comes from
kakasveta [241]

Answer:  B

Explanation:The energy needed by living things comes from the sun. Every ecosystem depends on green plants to trap the energy in sunlight and change it into chemical energy. The process by which green plants convert the sun's energy is called photosynthesis.

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3 years ago
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