Joe was observing an embryo with 16 cells. what is a 16-celled enbryo called?

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

Resperation is a way to release carbon back into the atmosphere

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above