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katovenus [111]
2 years ago
11

Which statement correctly describes how a sound wave travels through air? A. The wave carries molecules of air away from the sou

rce of the sound. B. The wave carries energy that causes molecules to move back snd forth. C. The wave carries a molecule in one direction until it collides with another molecule. D. The wave move through air and gains energy from the moving molecules that it touches.
Biology
1 answer:
JulijaS [17]2 years ago
3 0

Answer: A. The wave carries molecules of air away from the source of the sound .

Explanation:

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) The stem of a plant is growing upward while the roots grow downward. Which of these stimuli correctly describes the response o
Dafna1 [17]

Answer:

The correct answer is ''gravity.''

Explanation:

Tropisms are movements or changes in posture that a living being normally makes in response to a continuous environmental stimulus. Plants have hormones that respond to the gravitational impulse of our planet. Gravity deeply influences their growth and development (positive geotropism) and plants have been found to bend in response to gravity due to redistribution of the plant hormone auxin at the root tip, so that auxin is redistributed to the underside of a root that grows when it is rotated 90 degrees, the stems will still grow upward, away from the center of the Earth (negative geotropism), just as roots will always grow in the reverse direction (positive geotropism).

5 0
2 years ago
A boatload of Swedish tourists, all of whom bear the MM blood group, is marooned on Haldane Island, where they are met by an equ
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Answer:

E.

Explanation:

The first filial generation, will have 4000MN, while the progeny of the new Haldane population will be in the second filial generation 1000 MM + 2000 MN + 1000 NN.

7 0
3 years ago
What makes an energy source renewable?
AleksAgata [21]
Clean energy like solar wind and water
5 0
3 years ago
In which order do these events occur in human nutrition?
Mazyrski [523]

Answer:

C

Explanation:

option c is correct

ingestion➡️ digestion➡️ absorption➡️ assimilation

8 0
2 years ago
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Each lung is fed oxygen by a separate bronchus. Please select the best answer from the choices provided. T F
marysya [2.9K]
Yes it is absolutely true that each lung is fed oxygen by a separate bronchus. There are actually two lungs and two bronchi. Each of the two lungs are safeguarded by the two ribcages as they are placed within the rib cages. The lungs actually consists of elastic sacs that contract and expand for taking in and releasing air. This way oxygen is passed into the blood and carbon dioxide is taken out from the blood and passed out. This is also the main function of the lungs.
5 0
3 years ago
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