Which of the following most likely requires intermolecular forces?
a. a spider walking on the bottom of a leaf
b. a rock maintaining its solid shape
c. a koala using claws to hold onto a tree

Can someone me with 1 to 4 plz. fast

Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?