What maintains the permanent thermocline found at all low and mid-latitudes? a. Downwelling
b. Density stratification
c. Warm water currents
d. Cold water currents
e. Continual upwelling

Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5

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

When ash and dust begin to settle on the ground, they eventually become compacted by