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 town is which I live is Negotino, Republic of Macedonia. The is located in the driest part of the country, so it is very common that there's problems with water during the warmer part of the year. The landscape is mostly dominated by two things, vineyards and barren land which has the characteristics of a is semi-desert, so the town, and the municipality as whole, lacks in wood as well.
My two suggestions for making the town and the surrounding area more sustainable would be:
1. Planting the whole barren land with wild or semi-wild apricots
The wild and semi-wild apricots thrive in this climate, do not need any maintenance, don't have problems with high temperatures and droughts, nor with very low temperatures. From those apricots, the fruits can be used for production of juices and kompots, selling them for much lower prices in the municipality and throughout the country, so the municipality can get a significant income, income that can be used for improving the town's infrastructure and any projects. The shells of the apricots are excellent for heating, thus can be distributed to the households throughout the town as a material for heating during the winter. The trees will also contribute to better air quality and lower the effects of the strong winds.
2. Construction of water collectors
Construction of water collectors will be extremely useful, considering the semi-arid climate in the area. The water collected during the spring and autumn can be used for all sorts of things in the town, thus minimizing, or maybe even eliminating the water problem during the drier parts of the year.
The main U.S. goal in the Southeast Asia War was to protect South Vietnam -- initially from a local communist insurgency and later from conquest by communist North Vietnam. The U.S. also hoped to prevent the spread of communism to other nearby countries. ... The U.S. gave France military assistance in fighting insurgents
Answer:
In geology, the term sial refers to the composition of the upper layer of Earth's crust, namely rocks rich in aluminium silicate minerals. It is sometimes equated with the continental crust because it is absent in the wide oceanic basins, but 'sial' is a geochemical term rather than a plate tectonic term.
Explanation:
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Answer:
The darkest time of year at the North Pole is the Winter Solstice, approximately December 21. There has been no sunlight or even twilight since early October. The darkness lasts until the beginning of dawn in early March.
