Floods, hurricanes, tornadoes
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.
Answer:
True
Explanation:
A nebula is a gigantic space cloud of dust and gas. Several nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a star that is dying, like a supernova. Other nebulae are giant celestial dust clouds where new stars are starting to form. Nebulae are made of dust and gas—mostly hydrogen and helium.
<h3>Water links and maintains all ecosystems on the planet.</h3>
Explanation:
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Answer:
B. Heat and Pressure
Explanation:
This is because metaphoric rocks are formed due to change in texture and composition of the pre-existing rocks...