You haven't posted the answer choices, but I think I've run across this question before and remember the answer. The answer should be whichever letter says as follows: "Smoking damages cilia in the trachea and more particles enter the lungs. Hope this helps!~
Answer:
The correct answer is 9 seconds.
Step-by-step explanation:
On your graph, use a ruler and your eye to get the best fitting line.
Then find the time in seconds (45) which is between 40 and 50 on the x-axis.
Go across to the y axis. You will find it is about 9 seconds.
<em>Hope This Helps!</em>
There are 22 total fish in the tank because 8 got doubled so 11 would also have to get doubled
