Which structures distinguish cells in multicellular plants and animals from those of unicellular organisms, and why are cells important for identifying organs and their functions?

What reaction is taking place? 02 + c3h8 = h20 + co2

Is powdered sports drink ionic or covalent ? 10pts !

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.