The following steps describe a technique for producing a crop that is resistant to insect pests.
1. Remove gene for pest resistance from a bacterial cell.
2. Place gene for pest resistance into the cell of a crop plant.
3. Grow modified plant cells in a culture to produce a mature plant.
What agricultural technique do the steps describe?
A. Selective breeding
B. Genetic engineering
C. Monoculture cropping
D. Pesticide application

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