The boundaries of eras are marked by great worldwide changes in?
a) earth’s crust
b) life forms
c) climate
d) continental coastline

Acontinental polar air mass foms in

In the diagram below, ab and bc are tangent to o. what is the measure of

Analyze the map below and answer the question that follows. image by mdf the map projection above was created using mathematical formulas to calculate distances. it has a small amount of distortion. which map projection is shown in this image? a. the goode projection b. the political projection c. the mercator projection d. the winkel tripel projectio