3. Which of these is a pure substance? D. sea wa- A bread B. table salt C. garden soil 4. What is the simplest form that cannot be broken down to anything sim- pler? A element B. solution c. compound D. colloids 5. Which of the following is a homogeneous mixture? A od and water Chalo-halo B. sand and water D. air 6. This type of mixture contains two or more substances that are visibly distinguishable. A homogeneous C. solution B. heterogeneous D. suspension​