In an experiment, a scientist compares the effect of adding acid rain to samples taken from two different lakes. the scientist observes that ten drops of acid rain added to water taken from lake minnetonka in southern minnesota does not change the ph from 7.5, but ten drops of acid rain added to water taken from upper kintla lake in glacier national park causes the ph to change from 7.5 to 5.2.
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Biology, 22.06.2019 10:30
10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii
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Biology, 22.06.2019 14:30
The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping
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Biology, 22.06.2019 15:30
Which one is an advantage of external fertilization a. the offspring are genetically identical to the parents b. more eggs can be fertilzed at one time c. more sperm can be released at one time d. more protection is available for developing plz
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In an experiment, a scientist compares the effect of adding acid rain to samples taken from two diff...
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