Answer:
a solution of salt is homogeneous mixture
a sulution of muddy water is heterogeneous mixture
Explanation:
reason for salt and water as homogeneous mixture because water dissolves salt easily unlikely heterogeneous mixture in which water cannot dissolve mud in it
Well definitely a scientist
C is the answer because he wants to know if less force is needed to pull on a slippery surface which reduces friction
Answer:
i really dont know because i dont have anything to look at to know that answer.
because it a essential for good heat transfer
