One way to access records in a desired order, even though they might not be physically stored in that order, is to create a(n) ____.

Match the following charts with their descriptions:

I. Bubble chart II. Surface chart III. Area chart IV. Doughnut chart V. Pie chart A. Shows comparison of one series B. Similar to Pie, but with multiple series C. Similar to XY, but with three values D. Emphasizes the magnitude of change over time E. Two data sets plotting a surface

The __________ attribute specifies the unique string that identifies the schema you're using.

A. itemtype B. itemscope C. itemschema D. schematype