Biology, 23.06.2019 21:00 juliopejfuhrf5447
Stuart designed and built a water filter in class. he wants to know if it will make water from lakes or streams safe to drink. which of the following would it be best for stuart to measure in an experiment in order to test his design and answer this question? a. the maximum force that can be applied to his filter without breaking it b. the amount of time required for different volumes of water to pass through his filter c. the diameter of the largest grain of dust, dirt, or sand that can pass through his filter d. the amount of bacteria and impurities in water both before and after it passes through his filter
Answers: 3
Biology, 22.06.2019 00:50
Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above
Answers: 2
Biology, 22.06.2019 11:30
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
Answers: 2
Stuart designed and built a water filter in class. he wants to know if it will make water from lakes...
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