Answer:
Because most solids are denser than water.
Explanation:
Genetic variation can be caused by mutation
Carbon, oxygen, & hydrogen may all be elements found in ethanol, but when separated, they have completely different chemical compounds. They are pure elements where as ethanol is a mixture.
Fire is burning, which is combustion, and combustion is a type of oxidation reaction. Oxidation means combined chemically with oxygen . Oxidation is an exothermic reaction, meaning it gives releases heat energy.
Answer:
Milk is a mixture of protein and fat and sugars suspended in water. Water is mixed with milk in order to make it more dilute. Once the water is mixed with milk, it is not easy to separate the milk from water. What is possible is to concentrate the milk by evaporating a part of the water contained in milk