5. Wegener proposed that certain continents including South America and Australia—were closer to the
250 million years ago.

How can minerals crystallize from materials dissolved in water? check all that apply.

Ais a geographic region characterized by ground that stays frozen year round. a. taiga b. steppe c. tundra d. highlands

How have the russians responded to pollution and environmental challenges? a. russians largely ignore pollution and environmental damage. c. many russians have protested efforts to end pollution because it would mean people lost their jobs. b. russians have begun to focus on better resource management and protecting the environment. d. none of the above.