Since no one answered my previous question, imma ask again so i can get an answer. pls answer this, and if possible my previous question as well. answer these pls!

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

What layer of the atmosphere is directly above the troposphere?