Neural impulses reach the brain from the eye through the?

Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?

What can you increase the strength of an electromagnet by

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?