Which of the following substances are homogenous and which are heterogeneous: blood, carbon dioxide, solid carbon dioxide, rock, steak, iron, rust, concrete, air, oxygen, salt, milk?

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

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

What is a metal replacement reaction