(PLEASE HELP!) When writing the complete symbol of and atom you include the mass number, the atomic number and the charge. What would the mass number and atomic number, respectively, be for this ion?

In a world that produces enough food for every human, why is the distribution of food consumption and production so unequal? in a few sentences, explain why production and consumption of food is lower in the least-development countries (ldcs).

Distance that the transcontinental railroad covered from omaha to san francisco.

In which horizon of soil profile is prevent material usually found