There are two main types of sources of water pollution; point source pollution and nonpoint source pollution PLEASE HELP ASAP

O True
O False

What is used to keep track of the gamates and possible offsprings combination

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?

Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?