Hydroponics system is a soil-less cultivation method. It can be used to grow plants in a nutrient-rich, water-based solution. In this method of cultivation, roots of plants are suspended in water so that roots. Some of its advantages are – Crops can be well-managed and grown twice as fast.
 
        
             
        
        
        
I believe it would be sedimentary, since layers are used. Hopefully this helps :)
        
                    
             
        
        
        
Solid because it maintains their shape and is rigid 
in this case the answer would be letter "D" 
        
                    
             
        
        
        
Answer:
Our cells are not poisoned to death because it is metabolized by our organs.
Explanation:
- Toxins are any chemical products that damages the functioning of our body. 
- To be more specific, human body do not produce any toxins. They only discrete the waste materials that are easily secreted by our body through the metabolic activities.
- Organs like liver and kidneys are responsible for fighting against the harmful waste products and toxins by throwing it out from our body.
 
        
             
        
        
        
Answer:
Option (B) is the correct answer of the following question.
Explanation:
Collagens are a family of enzymes that perpetuate and protect many of the body's tissues, with the exception of connective tissue, femur, fibula, pigmentation, and the caucasian eye (optic disc). It would be the best choice on which to base the phylogeny.
- The first and most concentrated substance in the body is the collagen genes.
- It is a large, indigestible cellular muscle which maintains organisms and gives internal cells a texture.
- Collagen is also an essential part of the crisscrossing membrane neurons. 
Other options are incorrect because they are not related to the given scenario.