In the scientific method, a ________ is an educated guess, while a _____ has been rigorously tested and confirmed.
A. theory; hypothesis
B. hypothesis; theory
Answer: B. hypothesis; theory
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A recent Time magazine article discussed the profession of farming in the United States. The theme of this article was the affluence of some farmers, and the fact that it is a very profitable career to have
Discuss this fact, now that you are informed on some of the subsidies that traditional agriculture receive. Keep in mind, also, the value of crop production and farming to our country. Weigh also the profitability of such careers as being a professional athlete, an actor or actress, a celebrity, a Wall Street CEO, and include comments on this as part of your answer. What will be an ideal response
An earthquake measures 5.0 on the Richter scale. Therefore,
A. 10 times as much damage is done to buildings as there is in a magnitude 4.0 earthquake. B. the earthquake is 10 times deeper compared to a 6.0 earthquake. C. the ground shakes 10 times as much as it does during a magnitude 4.0 earthquake. D. 10 times as much energy is released as during a magnitude 4.0 earthquake.
Which of these is closely linked to the location of the major pressure and wind systems?
A) location of mountains and highlands B) ocean currents C) rainfall patterns D) evaporation sources
Which of the following can be the product of a neutralization reaction?
A) NaCl(aq) B) MgCl2(aq) C) Na2SO4(aq) D) any of these