A global network of observation stations measures the round trip time of flight of ultrashort pulses of light to satellites equipped with retroreflectors.
powerful source of data for studies of the solid Earth and its ocean and atmospheric systems
Answer:
Water is a liquid at room temperature, but becomes a solid (called ice) if it is cooled down. The same water turns into a gas (called water vapor) if it is heated up. The changes only happen when the substance reaches a particular temperature. Water turns to ice at 32ºF (0ºC). This is known as its freezing point.
Explanation:
Answer:
Answer: "The split of the Austro-Hungarian Empire" has been a direct effect of nationalism in Europe.
Explanation:
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Answer:
All of them, except for D
Explanation: hope it helps;)
