Concrete is formed of sand. Is it incorrect to suggest that some houses are built using concrete blocks?
A. How religion and philosophy different
All the other choices (b-d) can be explained by science while a can be explain by history I think
Answer:
Here are a few more examples:
Smoke and fog (Smog)
Dirt and water (Mud)
Sand, water and gravel (Cement)
Water and salt (Sea water)
Potassium nitrate, sulfur, and carbon (Gunpowder)
Oxygen and water (Sea foam)
Petroleum, hydrocarbons, and fuel additives (Gasoline)
Heterogeneous mixtures possess different properties and compositions in various parts i.e. the properties are not uniform throughout the mixture.
Examples of Heterogeneous mixtures – air, oil, and water, etc.
Examples of Homogeneous mixtures – alloys, salt, and water, alcohol in water, etc.
Explanation:
The density of ice is less than the density of water.
Fun fact: Water is the only known liquid that has this change it density.
