What are three different hypotheses for how Earth accumulated the organic molecules necessary for life to evolve?
What will be an ideal response?
The first hypothesis, based on the Miller and Urey experiment, suggests that lightning storms in the atmosphere of the young Earth produced the organic molecules. The second hypothesis is that organic molecules were brought to Earth by incoming meteorites. The third hypothesis is that large numbers of organic molecules were formed in deep-sea environments on Earth similar to today's hydrothermal vent habitats.
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When did the Bolshevik Revolution occur?
A) 1917 B) 1817 C) 1945 D) 1967 E) 1989
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
A quartz sandstone and an arkose were both produced from the weathering of a granite. Which rock's sediments experienced a greater degree of weathering than the other?
A) The sediments in the quartz sandstone experienced a greater degree of weathering than the sediments in the arkose. B) The sediments in the arkose experienced a greater degree of weathering than the sediments in the quartz sandstone. C) The sediments in the arkose and the quartz sandstone both experienced the same degree of weathering. D) There is not enough information to answer this question.
The study of the interaction between a cultural and the natural environment is known as:
A. cultural ecology. B. environmentalistic culturalism. C. natural culture. D. cultural landscaping.