What is the difference between a form header and a page header?

What provides an array of buttons for quick access to commonly used commands and tools

Hazel has just finished adding pictures to her holiday newsletter. she decides to crop an image. what is cropping an image?

4. does the kernel phenotype distribution support the idea that the cob is the result of a dihybrid cross? what information supports your answer? if a dihybrid cross (i.e. f1 to f2 of standard mendelian crosses) is not indicated what conditions might contribute to this finding.