Ahypothesis is a. much the same thing as a theory. b. a question based on observations. c. a series of connected observations. d. a guess based on some knowledge.

Which of the following is not a characteristic of carnosaurs? a. long narrow skulls b. strong forelimbs c. horn projecting from their skulls d. none of the above

Texas has an impending storm, and california is experiencing a water crisis. match the technologies with the state that can use them to reduce the effects eddies natural hazards. texas is the storm cellar and the wood that is crisscrossed. california is the dam and the storage tanks

Environmental differences within ecosystems are generally caused by