Select the correct locations on the diagram. Leonard designed a parallel circuit to light two lightbulbs. But his circuit doesn't work. Which two items in the circuit must be addressed for the
lightbulbs to light as planned?

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

What are the necessary conditions for fusion?

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?