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The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.
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Biology, 22.06.2019 15:00
Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture
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Biology, 22.06.2019 16:40
Aremote community desperately needs more electrical energy. it is located in an area with the following characteristics: average wind speed of 15 – 20 km/hr some medium-sized rivers with slow-moving currents few coal deposits some oil exploration being conducted within 400 miles based on the above information, which energy source would be the most economical and safest for the community to pursue? a. fossil fuel b. hydroelectric c. nuclear d. wind
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Biology, 22.06.2019 20:00
Ihave made a synthetic cell by placing a solution that is 10% sodium chloride inside a semipermeable membrane through which water can pass but not sodium chloride. if i place this cell into a solution that is 20% sodium chloride what will happen to the size of the cell? will it increase, decrease, or stay the same in size?
Answers: 1
What is the best distinction between birds and other animals? a birds eat seeds b birds have amniot...
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