Based on the information in these age structure diagrams, which of the following countries have relatively equal birth and death rates?
fyi online
united states
nigeria
italy
saudi arabia

Using the periodic table, determine which material is most likely a good conductor

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass

What type of cell division is used to replace old cell?