The difference between alberta and vancouver is 690 kilometers
Nitrogen and oxygen are the main constituents of the atmosphere plus water vapour near the surface. Carbon dioxide is present in smaller amounts butgl of course it can have a profound influence on the climate as global warming has shown, Greenhouse gases include water vapour, carbon dioxide, methane and nitrous oxide.
-4x^2-4xy+6y^2 hope this helps
Crust:outer silicate solid crust
mantle:highly viscous
core:solid inner core
Answer:
D. the richness of the soil enables the Andean countries to export a wide variety of crops.
Explanation: