introduction to the snow

This looks like a heading rather than the full task, and the answer would change a lot depending on what's actually required. I don't want to guess.

Could you tell me (or send a photo of the page) which of these it is?

• Writing — you need a short introduction/paragraph about snow (then I'd help you plan and draft it).
• Reading — "Introduction to the Snow" is a text, and you need comprehension questions answered.
• Science/geography — you need the basics explained: how snow forms, snowflakes, snow types.

Send the exact wording of the instructions and I'll explain it step by step so you can handle similar tasks yourself.