Mudskippers are a species of fish which, over thousands of generations, have developed adaptations that allow them not only to survive outside of
the water, but to actually travel from one water source to another. What
environmental condition most likely led to these adaptations?

a) lower temperature
b) frequent drought
c) larger predators
d) increased population

The steps in the formation of extrusive igneous rocks are listed below in an incorrect order: 1. rock melts due to high temperature. 2. rock is buried deep under earth's surface. 3. magma is forced out of earth's surface during volcanic eruption. 4. lava cools and crystallizes to igneous rock. which of these best shows the correct order of steps in the formation of extrusive igneous rocks? 1, 3, 4, 2 2, 1, 3, 4 3, 4, 2, 1 4, 2, 1, 3