If a lake receives a large input of a limiting nutrient, which of these would happen first? a . an algal bloom occurs. b . algae begin to die and decomposers take over. c . nitrogen compounds are recycled. d . the concentration of oxygen drops below the necessary level.

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