Aneuron transmits information by the secretion of hormones.
a. true
b. false?

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

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