A is required to cause atoms to bond together or be separated from one another. * a physical change
b phase change
c radioactive decay
d chemical reaction

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

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.