Many climate scientists set the upper limit of carbon dioxide that we should not cross at 560 ppm. in 2011, the atmospheric concentration was 390 ppm. unless dramatic changes are put into place, we will probably surpass the 560 ppm threshold before the end of this century. what predicted effects could this bring? question 5 options: 1) melting of the greenland ice sheet2) glacier and permafrost melt3) ocean acidification4) rapidly accelerated warming5) all of the above are correct.

What is the latitude and longitude (to the nearest degree) of the following cities? a. kansas city b. philadelphia c. reno d. minneapolis use the map to find the names of cities with the following coordinates. a. 30°n, 96°w b. 35°n, 95°w c. 26°n, 80°w d. 42°n, 88°w how many kilometers north of the equator is washington, dc? approximately how far north of houston is kansas city? use degrees of latitude to calculate your answer. show your work. which city is closer to greenwich, england: los angeles or xi’an, china (34°n, 109°e)? explain your answer. how many degrees of longitude separate las vegas from the international date line, which is at 180° longitude?