The equation X + Y -> XY is the general equation for what type of reaction

Which organic molecule is found in the chromatin of cells?

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

How much carbon is stored in the atmosphere as co2