What do the letters fd& c in front of the name of a dye such as fd& c red #40 represent?

1) this is the structure in the cell nucleus that houses a cell's genetic information

The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.