The __________ method returns a copy of the calling String object with all leading and trailing whitespace characters deleted.

________ refers to the difference between the darkest and lightest areas

A) Brightness B) Contrast C) Amplitude D) Depth

To add a field to the form, you can drag the field from the field list and position it anywhere in the ____________________ section of the form.

Fill in the blank(s) with the appropriate word(s).