You need air flowing through the boat. I second alternative is to get a smoke detector of some kind.
Hope it helped!
For the first question, the answer is C. green because a phenotype is the physical characteristics of an organism that can be seen. Of the options given, only green is a characterisitc that could be seen.
For the second question, the best answer is A. somatic because somatic mutations occur in the gametes.
D) being drought resistant.