Describe what the student does to find the volume of the piece of wood, stating the
measurements that she makes and any calculations required.

Which of the following represents an upside-down image? o a. +doo b. -doo c. +mo d.-m

In a system, when potential energy decreases, then entropy also decreases. true false

Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.