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Insects do not have lungs as we do, nor do they breathe through their mouths. Instead, they have a system of tiny tubes, called tracheae, through which oxygen diffuses into their bodies. The tracheae begin at the surface of the insect's body and penetrate into the interior. Suppose that a tracheae is 1.73 mm long with a cross-sectional area of 1.52 x 10-9m2. The concentration of oxygen in the air outside the insect is 0.786 kg/m3, and the diffusion constant is 1.70 x 10-5 m2/s. If the mass per second of oxygen is diffusing through a trachea is 1.96 x 10-12 kg/s, then find the oxygen concentration at the interior end of the tube.
a) Define group therapies, b) describe three advantages of this kind of therapy. c) Differentiate between group therapy, self-help groups and family therapy, and provide examples of when thelatter two therpies are most effective.
Plato and Aristotle disagree about the qualifications for political leadership. How does each thinker explain the tasks or goals of a political leader or a group of leaders? What are the qualifications for leadership according to these two thinkers? ..
What philosopher or group of philosophers reasoned that happiness could be found in a mean between two extremes of behavior?
Compare the use of variables and pointer variables as function parameters. When do we need to use pointer variables?
A 1045 hot-rolled steel tension test specimen has a diameter of 5.50 mm and a gage length of 27 mm. In a test to fracture, the stress and strain data below were obtained.
Which of the following was least sympathetic to workers and farmers hard-pressed by the Depression of 1893?
Write a Memo that provides instructions to your colleagues about how to use the new "cloud"-based document storage system. You are the most knowledgeable about computers in your office; most of you colleagues do not even know what "cloud" storage is..
discuss the significance of two to three events that contributed to the development of io psychology. in your
a firm that has total fixed costs of 40000 sells its output for 250 per unit and has an average variable cost of 150.
We talk about cumulative time stamps and delta time stamps. Define/describe.
the purpose of this paper is for you to demonstrate your ability to apply a working knowledge of the theories
Contrast "Price Skimming" and "Penetration Pricing" strategies. Which strategy would be more effective for a new "leading edge" video game console?
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