Pahoehoe and Aa are examples of which lava type?
Answer: Basaltic
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Introduced alien species that cause the most harm are those that
A) struggle to fit into new ecosystems and eventually die out. B) eventually become naturalized. C) become invasive. D) become agricultural products.
Derechos are formed by straight-line winds
Indicate whether the statement is true or false
Which of the following correctly describes the composition of NAD+?
A) adenine, nicotinamide, a ribose and a ribitol linked by a diphosphate B) adenine, nicotinamide, and two ribose molecules linked by a diphosphate C) adenine, nicotinamide, and two ribose molecules linked by a triphosphate D) adenine, nicotinamide, and two ribitol molecules linked by a diphosphate
Huge circular depressions from which volcanoes erupt are called
A. cones. B. fissures. C. calderas.