explain why dogs pant during hot summer days using the concept of evaporation?

What are the factors that affect the resistance of a wire?

When does your body conduct current more readily?

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?