Which area became extremely important for trade after it opened in the early 1900's?

What evidence supports geological processes changing the surface of the earth? cutting down forests creates a decrease of habitats. tectonic plates uplift the rocky crust of earth to form mountains. competition in ecosystems creates a decrease in diversity. pollution runoff contaminates a lake.

According to speculation and study, what will happen to the global birth rate in about 40 years? (1 point)

Why do farmers in different regions use different farming techniques