High clouds include cirrus, cirrocumulus, and cirrostratus clouds. These clouds are made up of either ice or water droplets, but they are usually made up of ice crystals. Water clouds tend to have sharp edges, and ice clouds are more wispy.
Not sure if this helps, but check this link. 
https://www.windows2universe.org/earth/Atmosphere/clouds/cloud_heights.html
 
        
                    
             
        
        
        
<h2>The answer to 9 is <em><u>slippage of a block of material moving along a curved surface</u></em></h2>
        
             
        
        
        
Answer:
The mRNA interacts with a specialized complex called a ribosome, which "reads" the sequence of mRNA bases. Each sequence of three bases, called a codon, usually codes for one particular amino acid. (Amino acids are the building blocks of proteins.)
Explanation: