4. What do asteroids and comets teach us about the origin of Earth’s water?
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4. What do asteroids and comets teach us about the origin of Earth’s water?
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- 1. The article states that Tasmanian devils “remov[e] carcasses that might otherwise slowly rot." Which of the following ScienceWorld Name: CHECK FOR UNDERSTANDING: RETURN OF THE DEVINS DIRECTIONS: Use the article "Return of the Devils" (p. 20) to answer the questions hello phrases best defines carcasses? A decaying plants B fallen trees bodies of dead animals O nonnative predators d the dramatic decline of the devil population on the island of Tasmania in the past feN d2. If the sun's output of solar radiation increased by 20%, how would this impact the temperature of Earth's mantle? Why?3. The Duggs find the skeleton of a Zillow beast and wish to carbon date it. If the half life of Carbon-14 is 5700 years, and we measure 60% of the original carbon, how old is the Zillow beast fossil?
- 2. Make Sense and Persevere The scatter plot shows the annual profit for one airline. The equation of the trend line shown is y 0.4x + 4.1, where x represents the number of years since 2000 and y represents the revenue in millions of dollars. What was the approximate difference in revenue between 2003 and 2007? An arctic cold front is moving through an area. It is 37° Total Profit in Millions ($) N 0 0 2 Airline Revenue X 6 8 10 4 Years Since 20005) Why doesn't Earth have as many craters as the moon?cal Science-SC5 X + ive r19.core.learn.edgenuity.com/player/ mental Science - SC5181 A < 21 90 The graph shows the changes in global temperatures over time. Estimated global temperature over the last 500 million years equatorial Pangea too hot for peat swamps Maa 500 450 23 24 25 Mark this and return 400 350 300 250 200 millions of years ago Cretaceous Hot Greenhouse world without polar ice caps Paleocene- Eocene Thermal Maximum world with polar ice caps (Courtesy of NASA) Which of the following hypotheses is supported by the data analysis? O Earth's temperature has natural cycles throughout history. Humans have caused all of Earth's temperature changes DELL 150 100 50 Today Adapted from Smithsonian Institution Save and Exit Next
- 3. Calculate the geostrophic wind speed in meters per second for a geopotential height gradient of 102 m per 1000 km. Compare this value with the four gradient wind speeds for the same height gradient and a radius of curvature of 500 km. Identify the anomalous and normal cyclones and anticyclones. Assume f = 10-4 s¯¹. [~ Holton 3.4] -1 Sréptilés d. all) of these 7. The development of ozóne in the stratosphere and oxygen in the atmosphere first made possible the development of a. complex organisms b. single-cell organisms c. cyanobacteria d. all of these 8. Today, many scientists think that a. 'birds evolved from dinosaurs b. dinosaurs evolved from reptiles c. birds evolved from amphibians d. both a andb 9. Ediacaran organisms first appeared during the a. Precambrian Time b. Cambrian Period c. Permian Period d. none of these 10. As a. cyanobacteria b. trilobites evolved, they changed Earth's atmosphere by producing oxygen. c. reptiles d. dinosaurs Geologic Timethe waste: what is nuclear waste? why is it dangerous and how is it contained?