Medical definition of narrow-spectrum: effective against only a limited range of organisms effective against only a limited range of organismsâ¦ See the full definition
If your baby is younger than 4 months, Health Canada recommends boiling the water for use in mixing formula for 2 minutes.
Everyday Homogeneous Mixtures. Here are some homogeneous mixtures: 1  Water itself is an example of a homogeneous mixture. 2  It often contains dissolved minerals and gases, but these are dissolved throughout the water. 3  Tap water and rain water are both homogeneous, even though they may have different levels of dissolved minerals and gases.