Which of the following affects the amount of total cholesterol in your body?

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

Ascientific blank must be testable and capable of being proven false?

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?