Deflate your boat, then clean and dry the area to be repaired. Apply a small drop of glue to cover the puncture and let dry for 12 hours. If you need to get on the water sooner, let dry for 30 minutes and then inflate the boat, inflating the compartment with the repair only 3/4 full.
Causes in Children. In children, the most common cause of retrolisthesis is a birth defect. The most likely place for the retrolisthesis is between the fifth vertebra and the sacrum, or the lowest part of the spine.etrolisthesis is a problem occuring in the lower back where the vertebra or bone slips backward onto the bone below it. There are several causes for this problem. There are different reasons for this condition in children and adults. 1  Retrolisthesis Treatment.
Most of the mutations are not harmful because they are not transcribed to the genes due to a mechanism called DNA repair mechanism. The causes of mutations are so many, but there are tow types of the causes 1- Spontaneous mutations caused by mutagens. 2- Induced mutations caused by radiation, some chemicals.nswers. Best Answer: At the nucleotide level (point mutations): - Substitutions-Insertions-Deletions-Frameshifts This site explains these using illustrations better than I can here: http://evolution.berkeley.edu/evosite/ev...