Biology, 12.07.2019 02:30 josephrosanne18
When exercising, a person's pulse rate should not exceed a certain limit, which depends on his or her own age. this maximum rate is represented by the expression 0.8(220-a), where a is age in years. find the age of a person whose maximum pulse is 152?
Answers: 1
Biology, 21.06.2019 19:30, myaaa13754
Pepsin is an enzyme in the stomach that breaks polypeptides into amino acids. pepsin functions best at a ph of around 1.5. what would be the most likely result if the ph of the stomach were increased to 5
Answers: 1
Biology, 22.06.2019 01:20, sevaramirabell
Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.
Answers: 1
Biology, 22.06.2019 04:30, mattosmiriah5533
Anton created a chart listing different types of materials. which best complete the chart?
Answers: 3
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