Geography, 27.07.2019 14:30 flashpoint0117
In terms of geologic time, when did humans appear on earth?
Answers: 2
Geography, 22.06.2019 14:40
Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite
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Geography, 23.06.2019 01:30
Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)
Answers: 3
Geography, 23.06.2019 05:00
Which of the following statements about wearher along mountain ranges is correct
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Geography, 23.06.2019 17:00
How can studying economics us make better choices about how to use scare resources
Answers: 1
In terms of geologic time, when did humans appear on earth?...
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