Informational references are available in which format? a. hard-copy c. cd-rom b. online d. all of these

d. All of these

Informational references could appear in any of these various formats. This is especially true in older, larger libraries which usually contain a variety of materials in different formats depending on the purpose of the material and the time of its publication. If you are interested in pursuing research in any particular area, it is likely that you would benefit from looking over materials in all of these different forms.

(4) "oh, i've got better plans than that," laughed kerry. "i've got four firecrackers and two model rockets. care to join me in the backyard? "

this is the correct answer because of one simple word. "backyard"