If your front lawn is 25.0 feet wide and 20.0 feet long, and each square foot of lawn accumulates new snowflakes every minute, how much snow (in kilograms) accumulates on your lawn per hour? assume an average snow flake has a mass of 2.00mg

Why is permeable soil best for plants that need a lot of drainage?

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car

Which type of intermolecular attractions holds ammonia molecules together with other ammonia molecules?