Select four variables that affect farm incomes. trade barriers
hectares
policies and regulations
natural resources
rural development
nutrition
global supply and demand
of the weather

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

The most effective way to provide children with safety messages is to

Identify the area on the image where the force of attraction is the strongest.