I believe the answer is A the 1st one
Well homogenous is the same, or similar. and heterogenous is when the substance is different. like gases, liquids, and solids. Hope that helps some.
Yellow lines tell you that the traffic flow in the other lane(s) in which it separates you from, are going the opposite way than you are. They separate traffic going in the opposite direction from each other to put it more simply.
Answer:
NH3
Explanation:
Which salt is least soluble at 90 degrees Celsius
The absence of standards of absolute and universal application.
