I hope the files I have sent help, the have the words
Complementary DNA (cDNA) is a DNA copy of a messenger RNA (mRNA) molecule produced by reverse transcriptase, a DNA polymerase that can use either DNA or RNA as a template.
You need air flowing through the boat. I second alternative is to get a smoke detector of some kind.
Hope it helped!
Active transport because it is moving from a lower concentration to a higher concentration