Radio telescopes have to be much larger than optical telescopes because the wavelengths of radio waves are so much larger<span> than the wavelengths of visible light.
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Answer:
There are four stages in coal formation: peat, lignite, bituminous and anthracite. The stage depends upon the conditions to which the plant remains are subjected after they were buried – the greater the pressure and heat, the higher the rank of coal.
Explanation:
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Explanation:
can you translate what you mean
Challenges for growing crops are you don't know if it will be successful, you have to have enough water, the dirt has to be fertile, and the weather may affect how the plant grows.
