Answer:
Explanation:
Clastic sediments or sedimentary rocks are classified based on grain size, clast and cementing material (matrix) composition, and texture. ... An example of clastic environment would be a river system in which the full range of grains being transported by the moving water consist of pieces eroded from solid rock upstream.
 
        
             
        
        
        
Answer:
Wetlands provide a habitat for thousands of species and terrestrial plants and animals. They're also valuable for flood protection, improving water quality, and providing natural products.
Explanation:
 
        
             
        
        
        
Well in order for chemical digestion to occur period, a enzyme is needed. 
In the mouth this enzyme is amylase 
        
             
        
        
        
There are three types of RNA involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribisomal RNA (rRNA). All three of these nucleic acids work together to produce a protein. The mRNA takes the genetic instructions from the nucleus to the cytoplasm, where the ribosomes are located.