If you hold a backpack in your hand, the force of gravity pulls it downward. What force keeps it from falling to the ground?

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

Compare and contrast solutions and suspensions

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.