How many moles of KNO3 must be added to 0.525 L to make a 0.89 M solution?

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic

This drawing shows a human body system. what is the primary function of this body system?