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- (a) About how many microorganisms are found in the human intestinal tract? (A typical bacterial length scale is one micron = 106 m. Estimate the intestinal volume and assume bacteria occupy one hundredth of it.) (b) Discuss your answer to part (a). Are these bacteria beneficial, dangerous, or neutral? What functions could they serve?36. The Principle of Equivalence states that a. All calories are equivalent, no matter the nutritional source. b. The genetic make-up of all humans is essentially identical. c. Any inertial coordinate system can be used when working a physics problem. d. The effects of a gravitational field are identical to the effects of an accelerating frame of reference. e. None of the above.What does the author mean with the statement, "Experts hypothesize that the surge in myopia prevalence is caused by the increased use of computers and smartphones, however definitive research has not been published."? A. More research is needed to determine the causes of myopia. B. Computers and smartphones are not a cause of the increase in myopia diagnosis. C. Myopia diagnoses will most likely increase as computer and smartphone use continue. D. Research studies on the impact of computers and smartphones on eyesight need to be published.
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- 9. What is the answer? Show your complete solution (with graph). Simplify your final answer without the use of calculator.5. A farmer has 400 acres available for cultivating crops A, B, and C. He has a total of $11,200 for cultivation costs and a maximum of 13,200 hours of labor available. For each acre, the cost and labor required for cultivation are as follows: crop A, $30 and 20 hours; crop B, $40 and 30 hours; and crop C, $20 and 40 hours. How many acres of each crop should the farmer plant if he wishes to utilize all his resources?4. please try to understand the questions! I really need help with it!
- 9. Which of these has the largest density, 1 gram of aluminum, 1 kilogram of aluminum, 1 milligram of aluminum or 1 microgram of aluminum? a. 1 gram of aluminum b. 1 kilogram of aluminum c. 1 milligram of aluminum d. 1 microgram of aluminum e. all of these have the same densityQ1. Explain the construction of a floating drum biogas plants.Aboriginal people found colonial explorer, Charles Sturt in the desert in Central Australia around 1849. What did they give him that saved his life? Question 4 Answer a. A flint to light a fire b. Water, roast duck and cake c. Bush medicine d. Kangaroo tail. Needs Complete typed solution with 100 % accuracy.