What is the function of the nucleus? control center of the cell
makes energy
makes food
lets materials in and out of the cell

Describing intermolecular forces use the drop down menus to match the type of intermolecular force to its name dipole dipole interactions dipole induced dipole interactions london dispersion forces hydrogen bond van der waals forces done

Why are pipes bursting in the in extremely cold weather?

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?