the san marcos salamander, eurycea nana, is a light reddish-brown translucent salamander about 2–5 cm in length. e. nana is found only in spring lake and a portion of the san marcos river. which human activity would most likely decrease the ability of the salamanders to survive?

The climax of the story “seventh grade” occurs when

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.

How has mexico's culture been shaped by cooperation among different people? be sure to name the groups involved in the cooperation, describe the cooperation, and explain how the cooperation shaped mexico's culture