Most rocks are made of what elements? oxygen, silicon, aluminum, iron, calcium, sodium, potassium, magnesium

quartz, granite, marble, limestone, shale, sandstone, obsidian, mica

carbon, hydrogen, rubidium, nickel, zink, copper, lead, gallium

lithium, nitrogen, selenium, fluorine, chlorine, antimony, gallium, tin

How air particles exert a pressure on the inside of the balloon

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

The grooves or folds of the brain are called