Which is not a negative consequence of buring coal? a)causes water pollution and acid rain b) releases large amounts of carbon dioxide c) polluted ocean water when drilling for coal d) causes lung cancer and other respiratory problems

Aboy with an extra x chromosome probably has which of the following syndromes?

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

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?