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Biology, 21.06.2019 16:30
25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?
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Biology, 22.06.2019 08:30
Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass
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Biology, 22.06.2019 13:00
As molecules are formed from metabolism, entropy __ and the universe becomes less disordered. a. is decreased b. is increased c. moves closer to equilibrium d. is unchanged
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Biology, 22.06.2019 14:30
If 360 joules of work are needed to move and create a distance of 4 m what is the weight of the crate
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Kelp is a kind of: brown algae fungi plant red algae...
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