Which of the following are examples of ecosystem services that humans derive from water bodies?
i. the development of algal blooms in lakes
ii. the gradual removal of water pollutants by wetlands
iii. the growth of fish, crustaceans, and other food sources in oceans

a. l only
b. i and ii only
c. i and iii only
d. ii and iii only
e. i, ii, and iii

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?