Amap that connects points of equal elevation above or below sea level is called a
a. climate map
b. population pyramid
c. contour map
d. age-structure diagram

Gemstones are commonly found in pegmatites, which are igneous rocks that are a. exceptionally mafic b. exceptionally coarse grained c. exceptionally fine grained d. extrusive, forming from lava

Based on the information in the graph, what can you conclude about humans in the world in general?

Seafood watch is a program that identifies sustainably harvested, ocean friendly seafood in order to