Which of the following is evidence of the past existence of glaciers? a. rift valleys b. fjords c. estuaries d. oceanic ridges

Why is terracing used in southeast asian agriculture?

Countries that have a traditional economy often develop at a slower pace than countries with a free market economy. true or false

15 points need quick 1. looking at your graph and the geologic time scale during what period did this rock form? what is the age span of the rock, in millions of years? 2. this rock sample is limestone and shale. with what you know about rock formation, what type of environment did these organisms live in? 3. if some of these fossil samples were found in a rock also containing leaf fossils, could you use radiocarbon dating to determine the age of this rock? explain.