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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 07:00
Which season occurs in the northern hemisphere when the sun is at its lowest point in the sky
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Geography, 23.06.2019 07:30
70 pts answer the following questions in full sentences and paragraphs, using at least 150 words, in the essay box below. 1. which organisms are carnivores? herbivores? omnivores? 2. if the ecosystem is balanced, which populations should be the largest? the smallest? 3. imagine a group of hunters kills half of the rabbit population. how will the other organisms be affected? 4. imagine disease kills 85 percent of the wolf population. how will the other organisms be affected? 5. imagine a foreign mountain lion species is introduced into the ecosystem. how will the other organisms be affected?
Answers: 2
Geography, 23.06.2019 10:40
Maria is going to a hiking trip this weekend. she has been busy shopping for the trip. which of these items that she bought are a want for her?
Answers: 3
Why is the legend on a map essential...
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