1. ______are combinations of two or more substances that can be homogeneous or heterogeneous A. Substance B. Mixture C. Matter D. Particles 2. What is the difference between homogeneous and heterogeneous mixture? A Homogeneous mixture appear uniform all throughout because they have the same proportion while heterogeneous mixtures are not uniform in proportion where combined substances are not evenly spread or mixed. B. Heterogeneous mixture appear uniform all throughout because they have the same proportion while homogeneous mixtures are not uniform in proportion where combined substances are not evenly spread or mixed C. Both a and b D. All of the above 3. Which of the following mixture is heterogeneous? A. Salt and sugar dissolved in water B. Powdered detergent in a pail of water C 3 in 1 coffee dissolved in hot water D. Vegetable salad with dressing.​