Biology, 28.06.2019 06:00 loveuncondition
One hypothesis regarding the extinction of dinosaurs is that a meteor hit the earth causing an explosion so powerful that dust blocked out the sun. consider the model above and explain why would this have caused a mass extinction?
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Biology, 22.06.2019 01:20
Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.
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Biology, 22.06.2019 06:30
Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?
Answers: 3
Biology, 22.06.2019 11:30
_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous
Answers: 2
One hypothesis regarding the extinction of dinosaurs is that a meteor hit the earth causing an explo...
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