How are individual atoms of oxygen formed in the stratosphere? a. individual oxygen atoms are formed when oxygen molecules collide with each other. b. individual oxygen atoms are formed in the sun. c. individual oxygen atoms are formed during photosynthesis. d. individual oxygen atoms are formed when uv rays strike oxygen molecules.
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Which of the following terms best matches this definition: the process where humans choose the traits that will be present in the next generation through breeding. question 4 options: genetic determinism artificial selection acquired selection natural selection
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Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled
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Are humans interfering with or a part of evolution happening today? find examples of evolution seen in recent history that could be caused by human activity.
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How are individual atoms of oxygen formed in the stratosphere? a. individual oxygen atoms are forme...
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