Useful satellite data concerning sea ice began in late 1978 with the launch of NASA's Scanning Multichannel Microwave Radiometer (SMMR) satellite.
Answer:
C is correct
Explanation:
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It’s B, they sometimes do follow the borders of countries
Answer:
The EF (Enhanced Fujita) scale
Explanation:
Answer:
Nuclear Fusion that takes place between hydrogen atoms.
Explanation:
The energy comes from the sun and the sun is mostly made up of hydrogen and helium atoms. The sun generates energy from nuclear fusion.
Hydrogen is being converted into helium in the core of the sun. This is called nuclear fusion.
