It flows from a high to low concentration gradient across the membrane.
Epiglottis
The epiglotis is what allows you to swallow food without inhaling it. It acts as a gateway between the digestive and respiratory systems
Answer:
The correct options are:
2. From solutions that evaporate
4. From hot water solutions when the solution cools
Explanation:
The substances that can form minerals can be dissolved in the water to form a solution. Solution can be described as as a mixture in which a solute is dissolved in a solvent. When a particular dissolved solute evaporates from the solution, crystals of minerals might form. The mineral halite was formed when seas evaporated over a period of time.
The minerals can also be formed when a hot water solution gets cooled.
Aristotle based his classification system off of observations of animals, and used physical characteristics to divide animals into two groups