Explain why flowering time is an example of continuous variation

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

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