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Goryan [66]
3 years ago
5

How does the heart keep the blood flowing throughout the body?

Biology
1 answer:
madam [21]3 years ago
8 0
It contracts and relaxes!

Hope this helped u!!
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A castrated female cattle is called?
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Through which of the following processes is energy formed in the form of glucose?
Dominik [7]

Answer:

photosynthesis.

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during photosynthesis, plants use energy from the sun to convert carbon dioxide and water into glucose and oxygen.

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What effect did the simulated acid rain have on the marble chip?​
masha68 [24]

Answer:

When acid rain falls on the marble stone, it dissolve calcium when the acid present in the rain water react with the calcium of the marble stone.

Explanation:

Acid rain is formed when gases such as carbondioxode and sulfur dioxide etc that is emitted from vehicles and industries goes to the atmosphere and react with the water present in the form of clouds and formed the water acidic. When this water comes down to the earth, it damage many materials due to acid present in it.

4 0
3 years ago
How do beach nourishment and vegetation management differ in the ways they manage beach erosion?
kupik [55]

Answer:

<u>Beach norishment</u> refers to <u>addition of sand on beach</u> to <u>reduce the erosion effect</u> by water currents.

<u>Vegetation management</u> is the <u>(re)plantation</u> of plants to reduce the erosion effect on beaches caused by waves.

Explanation:

In the statements given above, addition of hard structure doesn't primarily means beach nourishment, likewise, vegetation management doesn't replace the sand on beach rather prevent sand erosion. However, vegetation management brings in plants that hold the sand especially on sand dunes. Floods cannot be totally controlled by beach nourishment but with the help of plants, their impact can be minimized.

3 0
3 years ago
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