Where does most of the metabolic activity in a cell occur?
in the dna
in the cytoplasm
in the cell wall
in the nucleus
in multicell organisms, which is the most complex level of cellular organization?
tissues
systems
organs
cells

because the light is a great source of energy for the plants to survive. (i hope this )

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation: