Question 7 Multiple Choice Worth 4 points)
IGT.01A student wants to prove that the continents separated before the mountains were formed. Which of these would provide the most reliable information
about the periods when the two events took place?
plant color
air quality
water quality
rock properties

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

b.have there own function.

geologic time scale (for gradpoint) =)