Refer to the illustration above. Structure B is located on the surface of an arthropod’s body. What is structure B called? a. trachea c. spiracle b. nematocyst d. nephridia

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?

Which is a genetic engineering advancement directly related to a career in biotechnology? 1) improving solar energy collection 2) transporting textiles at higher rates 3)creating crop foods that resist insect pests 4)repairing historical sites with quality materials

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?