PlZZZ HELP ME ON MY SCIENCE TEST ASAP I NEED THIS
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Biology, 22.06.2019 16:00
Based on the diagram, which of the following best describes ways in which the physical appearance of h. neandertalensis and h. sapiens differ?
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Biology, 22.06.2019 19:30
On a backpacking trip, kenny hikes all day at a steady pace, covering 30 kilometers and burning 4000 calories. at the school track, janelle runs the 100-meter sprint in 13.5 seconds, burning 10 calories. afterward, janelle’s leg muscles are aching and she is breathing hard, while kenny maintains normal breathing all day, even though he burns 400 times more calories than janelle. which two statements offer the best explanation for this phenomenon? a. if the aerobic pathway—cellular respiration—cannot meet the energy demand, then the anaerobic pathway—lactic acid fermentation—starts up, resulting in lactic acid buildup and "oxygen debt." b. aerobic cellular respiration produces more energy, but its use is limited because of lactic acid buildup in the muscles and the resulting "oxygen debt." c. after about 90 seconds of intense exercise, the muscles become depleted of oxygen, and anaerobic respiration can no longer function to produce atp, resulting in "oxygen debt." d. the rate of energy demand determines how the muscles will obtain energy, either from cellular respiration or from lactic acid fermentation if not enough oxygen is present.
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Biology, 22.06.2019 23:50
Mendel used over 28,000 pea plants in his experiment. how does this large sample size make his results more reliable? (i'm not sure about this one)
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Mathematics, 17.05.2021 20:40
Mathematics, 17.05.2021 20:40
Social Studies, 17.05.2021 20:40
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History, 17.05.2021 20:40
Mathematics, 17.05.2021 20:40
Mathematics, 17.05.2021 20:40
Mathematics, 17.05.2021 20:40
Mathematics, 17.05.2021 20:40
Mathematics, 17.05.2021 20:40