1.) + 2.) + light energy = 3.) + 4.)

In attempt to solve the working problems created by the industrial revolution, the united states and many countries in europe considered and/or adopted

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?

Autonomous underwater explorers will be used to gather large-scale ocean information select the best answer from the choices provided ot