A) earthquakes cause seismic waves.
Answer:
Ecosystem engineers are species that modify their environment in a significant manner, creating new habitats or modifying existing ones to suit their needs.
During a flood, many individuals in a population of gophers drowned. Which effect of an environmental change does this best <span>illustrate? The answer is DEATH</span>
Answer: I haven't seen "wolves change rivers", whatever that is, but my best guess would be "carrying capacity"
Always remember quadrilateral means 4 sides