| The data for this analysis come from a random sample, cross-sectional survey of Iowa soybean fields. |
| The cross-sectional area, or volume, of bone increases with age and training. |
| I concluded that the building's smallest cross-sectional area would have to be located just upwind of the living area and not at the exit opening. |
| The text includes a cross-sectional image of a female fetus at 65 days of gestation. |
| The difficulty of evaluating this argument is finding enough cross-sectional data to make valid comparisons. |
| Since the sample isn't literally being sliced, we can see cross-sectional views of living cells, tissues, and organisms without harm. |
