What does this sign mean?

a. be careful to avoid getting stuck in wet weather
b. be careful to avoid skidding in any weather
c. be careful to avoid skidding in wet weather

What is the difference between external & internal migration

Will someone earth science water cycle: will someone tell me how the water cycle works, but in a story? ? pretend you are a drop of water somewhere. (like; "once i was floating around in a cloud" or, "once i was lying in a puddle in the middle of a parking lot.) and tell your life story! and use the words "evaporation" "condensation" "accumulation" "transpiration" "precipitation" and "runoff" tell the story like your the drop of water telling your life story. include all the parts of the water cycle including those vocabulary words above. and !

Why does sweden and norway have steep roofs