Study the diagram, which represents the general equation
for photosynthesis,
What do the letters Y and Z represent?
Y - glucose
Z-oxygen
Y - glucose
Z-carbon dioxide
Y - carbon dioxide
Z - hydrogen
Y - carbon dioxide
Z - oxygen

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

Helium decays to form lithium. which equation correctly describes this decay?

How can liquids be seperated by density a the liquids are absorbed onto a paper b the liquids are turned into seperate vapors c the liquids are collected as they evaporate d the liquids are allowed to seperate into layers