Should be A I hope this helped.
Answer:
Changes in the pressure create the flow of the air to move up and down in the ear and thus create popping sound.
Explanation:
- The ear-popping is caused by the phenomenon of the opening of the Eustachian tube when one swallows and it might be automatically when you blow our nose or are setting in an airplane and this sound is created when the air enters the middle ear through the tube.
The answer is D. The Ganges is too polluted (bathing, burial, travel) to actually drink from. The Indians think of the Ganges of a religious river, therefore scattering the ashes of their dead ones and bathing the worshippers in the water.
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Answer:
Abiotic resources are resources that are non living. Examples of abiotic factors are air, water, sunlight, soil, and minerals. Biotic resources is a type of natural resource derived from the biosphere as opposed to abiotic resource from non-living things. Supplement. Examples of biotic resources are forests, animals, birds, fish, and marine organisms.
Explanation:
