Biology, 26.06.2019 11:00 mlbowman3644
Watersheds may be contaminated by fertilizers and other pollutants. when these substances enter a waterway, they can cause algal blooms, which are rapid overgrowths of algae. when the algae die, the decay uses up a large portion of dissolved oxygen. declining oxygen levels can then cause large die-offs of animals in the waterway. what will an algal bloom in a watershed most likely cause?
Answers: 2
Biology, 21.06.2019 20:40
Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling
Answers: 3
Biology, 22.06.2019 09:30
This is the process of making a prediction based on the results of prior observations of similar events.
Answers: 1
Biology, 22.06.2019 21:00
True or false: the ribosome reads the sequence of codons in mrna.
Answers: 2
Watersheds may be contaminated by fertilizers and other pollutants. when these substances enter a wa...
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