When explaining chemical reactions to a friend, brianna models a reaction by combining ingredients to make a cake. Which type of chemical reaction is brianna most likely explaining? synthesis decomposition polymerization replacement.

Paint should be stored and mixed in an osha-approved room with all of the following, except: a) adequate ventilation b) ventilation hoods c) unshielded electrical devices d) fire extinguishers

Assessment includes a. interviews, recorded conversations, videos, frequency counts, and time samples. b. formal standardized tests and developmental screening tools. c. various types of documented observations, documentation of child work, checklists, rating scales, and standardized tests. d. anecdotal notes, narratives or daily records, daily health checks, and teacher observation checklists.

What should you adjust to make your hard hat fit properly