Which of the following statements about change in ecosystems is true? a. ecosystems experience change through human activity only. b. ecosystems experience change through natural events only. c. ecosystems experience no change. d. ecosystems experience change through human activity and natural events.
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Biology, 22.06.2019 03:00
Which of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air
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Biology, 22.06.2019 08:30
Which of the follow describes a disadvantage secondary sources have compared to primary sources?
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Biology, 22.06.2019 11:00
Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit
Answers: 3
Which of the following statements about change in ecosystems is true? a. ecosystems experience chan...
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