What is the answer for this please??
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Answers: 1
Biology, 22.06.2019 12:30, Diaryyy3986
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
Answers: 1
Biology, 23.06.2019 05:00, tammydbrooks43
4. only about 10 percent of the energy in an organism is passed on to the next level of a food chain. look at this food chain: grass → rabbit → hawk what percentage of the energy stored by the grass is passed on to the hawk?
Answers: 2
Mathematics, 26.02.2021 22:40
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English, 26.02.2021 22:40
Mathematics, 26.02.2021 22:40
English, 26.02.2021 22:40