You need air flowing through the boat. I second alternative is to get a smoke detector of some kind.
Hope it helped!
The evidence would be all the different types of species
Answer:
tire and balloons
Explanation:
the tire of an car contains gas pressure
the balloon also contains gas pressure because it contains gas molecules
A Respiration by animals CO2 is being added.
B trees burning same
C tree leaves removed
D oil added
Answer:
Explanation:
It can be used to predict the outcomes of genetic crosses. How do geneticists use Punnett squares? They can be use to predict and compare the genetic variations that will result from a cross. Diagram showing the gene combinations that might result from a genetic cross.
