A jet stream is a narrow variable band of very strong predominantly westerly air currents encircling the globe several miles above the earth.
1b exoshpere
2d change its form
Answer:
Rock cycle is the process by which rocks are broken down into soil... wind, water ,ice, etc. break the rock slowly
Explanation:
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One complete revolution on Earth around the sun takes about 362.25 days or 1 year. The 1/4 or the quarter, 25 is considered as the leap year.
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