Answer:
2. Sediment B quartz sand forms when rocks first break apart
Explanation:
- Limestone is a carbonate rock that sedimentary in origin that is often made up of skeletal body parts of freshwater organisms such as corals, and mollusks, etc.
- Major material of mineral calcite. That are different crystal forms of calcium carbonate CaCO3. It's colorless or white, also gray, yellow, green. And chemically dissolves to form an acid.
- Calcite may form in substance to the response of organisms which result in sulfate dependent and when methane is oxidized. They have existed on earth primarily in forms of calcium carbonate in marine waters low magnesium calcite.
 
        
             
        
        
        
has a lower standard of living
 
        
             
        
        
        
The ice caps are melting due to global warming which is being affected by the polluted air
        
             
        
        
        
European Countries can retain their cultural identities by excelling and polishing what they are good at. 
<u>Explanation:</u>
European Countries can retain their cultural identities by excelling and polishing what they are good at. This can be proven by certain examples; 
<u>Example 1:</u>
Volkswagen, a German Car manufacturer that is known to make durable cars. Due to its becoming famous during World War II, it has found its success by exporting to other countries and providing cars that were up to the mark and were made using state of the art materials.  
<u>Example 2: </u>
Switzerland is known for its cheese. It’s so famous that it’s known all over the world by the name of Swiss Cheese. Swiss cheese has become so famous that it has become an integral part of all types of cuisines all over the world.