Doppler effect and redshift as the light coming from stars from the distance can be shifted in the same way as a pitch of sound does
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Population growth is the increase in the number of people in a population. Global human population growth amounts to around 83 million annually, or 1.1% per year. The global population has grown from 1 billion in 1800 to 7.9 billion in 2020. ... A popular estimate of sustainable population is 8 billion people.
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cytoplasm
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A Wave the fumes from the test tube toward the nose with a hand and inhale
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DNA is the correct answer but next time put answer choices so that people can better answer your questions. Thanks!