Which best explains the inability for life to exist in earth’s early atmosphere? check all that apply. there was insufficient energy from material collisions to change their density. high temperatures during precambrian time caused surface water evaporation. volcanic eruptions and comet collisions added different gases to the atmosphere. available oxygen was used to create an ozone layer within earth’s atmosphere. the oxygen content in earth’s atmosphere was too low to support cellular processes.
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Physics, 21.06.2019 21:50
What is the length x of the side of the triangle below? (hint: use the cosine function)
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Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
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Physics, 22.06.2019 04:10
Time remainin52: 42the chart shows data for a moving object.which conclusion is best supported by the information inthe chart? time (s)velocity (m/s
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Physics, 22.06.2019 06:00
Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h
Answers: 1
Which best explains the inability for life to exist in earth’s early atmosphere? check all that app...
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