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Answer </h2>
The right option of this question is <u>Galileo's observation of stars in the Milky Way.</u>
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Explanation</h2>
The two types of models and the geocentric model and heliocentric model during the ancient time. In the first model, it was considered that all heavy bodies rotate around the sun. In the second model, it was stated that all heavy bodies rotate around the sun. in his time, Gallio supported the second model as the sun is the central part and around it, all other heavy bodies rotate. He was the first person, who used the telescope to observe dark spot and the Venus movement which then supported the heliocentric model.
Because the plates under the earth are always moving
Answer:
The UNCCD set out a definition of desertification in a treaty adopted by parties in 1994. It states that desertification means “land degradation in arid, semi-arid and dry sub-humid areas resulting from various factors, including climatic variations and human activities”.
Explanation:
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The types of erosion is matched with their effects.
Explanation:
- wind -On a calm, sunny day, a weathered boulder rolls down from a steep cliff and falls into the sea.
- glaciers - Frozen water displaces a rock from its current location.
- gravity -A desert grows larger as sand particles are transported to farther regions.
- waves - Weathered particles from oceanic rocks and reefs are deposited on low-lying land by water.
Answer: Guizhou province
Explanation: 44% of that region is is affected.
