Ответ:

1. The linden leaf is smaller than the maple leaf - simple form, higher degree of comparison). 2. I am the smallest in my family (smallest simple form, highest degree). 3. February is colder than December is colder - compound form, highest degree) 4. Baikal - the deepest lake on the planet (deepest - compound form, highest degree). 5. My brother is bigger than everyone else in the class (greater than everyone else - compound form, highest degree).

Объяснение:

не дуже розумію цю тему, того може бути не правильно...(