In the diagram, the arrow shows the movement of electric charges through a wire connected to a battery. what causes the electric charges to flow from one end of the battery to the other?

3.) for each of the following compounds, draw the major organic product of reaction with hcl or naoh and circle whether the starting materials and products will be more soluble in organic solvent or water benzoic acid + hcl: benzoic acid + naoh: oh benzoic acid water/organic water organic fluorenone hс: fluorenone + naoh: fluorenone water/organic water/organic веnzocaine + hci: benzocaine + n»oh: h2n benzocaine water/organic water organic o=

The excretory system,need answers for all: )

Element before carbon on the periodic table