What is the significance of the layer of hard-packed snow or ice sandwiched in the middle of unstable snowpack? The hard-packed snow or ice can serve as a lubricant, allowing the top layer of snow to break away

It makes it difficult to move the snow with bulldozers

The hard pack is not as enjoyable for skiers on the avalanche

The snow holds all of the snow together, making it more difficult to melt on warm days

Adefendant charged with driving while intoxicated pleaded not guilty and insisted on a trial. right before the trial began, he fired his attorney and decided to defend himself. at one point during opening arguments, the defendant began to act like a cat, meowing and chasing an imaginary squirrel out of the courtroom. if no one else raises the issue of the defendant's competency to stand trial, what is the responsibility of the trial judge here? a) the trial judge has no responsibility, because the defendant decided to defend himself. b) the trial judge has no responsibility, because she cannot decide whether the defendant is competent to stand trial. c) the trial judge must raise the issue of competency, because the defendant is representinghimself. d) the trial judge must raise the issue of competency, because the constitution obligates her to do.