When you look into a clear pond, a fish may appear to be in a different position than it actually is. what is this caused by?

Individuals do not compete directly for resources, but are prey for the same predator

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

Several billion years ago which gas was the least prevailant in the atmosphere