How many sodium ions are needed to balance the charge of one phosphate ion

Gettysburg address question what do you notice about the length of this address? why do you think lincoln made it so short?

John locke, an enlightenment-era philosopher, influenced the american movement for independence. locke believed that all people were entitled to natural rights. which quotation from the preamble to the declaration of independence refers to natural rights?

Abrief, "first-step" presentation of a work to be completed is called a