Choose the answer that is most descriptive the Milky Way Galaxy. planets, stars, comets, asteroids, planetoids, moons 200-400 billion stars, 100,000 light years diameter, spiral arms giant nebulas, star nurseries, gas clouds, binary stars black holes, quasars, gamma rays, galaxy clusters

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Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Pls as soon as ! will award brainliest and 20 ! also the answer is not 22.5 degrees! find the value of x in each case: