Depositional environments 51 exercise 4 3. rocks of the cedar mountain formation were part most likely deposited in which of the sedimen- tary environments listed in table 4.1? explain your answer cedar mountain formation, early cretaceous, san rafael swell, utah (figure 4.9) 1. what two sedimentary rock types predominate in this formation? 4. explain why dinosaur skeletons collected from 2. how would you describe the shape of the sand- stone bodies shown in the satellite view of the area (figure 4.9c)? shales at locality 1 on figure 4.9a are more likely to be complete than dinosaur remains collected from sandstones at locality 2 on figure 4.9a.

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

Air pressure is measured in pascals. for a professional american football game, the ball should be inflated to about 90,000 pascals. scientists studied the effects of air temperature on the pressure inside american footballs by taking these steps: 1. prepare 100 footballs. 2. measure each football's air pressure. 3. divide footballs into 10 groups. 4. place the groups in different lockers cooled to different air temperatures. 5. after 12 hours, remove the footballs from lockers. 6. measure each football's pressure again. 7. compare the new pressures to the starting pressures. what two terms best describe the variable "air pressure inside the football" in this experiment? independent, qualitative independent, quantitative dependent, qualitative dependent, quantitative

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