Igneous rocks are formed as a result of

Which term refers to the total dollar value of the goods and services produced in a country in a year?

Which description provides the best objective summary of the article in the passage?

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?