Answer: B, a sentence.
Since a chromosome contains tens of thousands of genes and is compared to a novel, it would only make sense for a gene to be less than a novel. We can eliminate C. D, chapter of the book is too generous.
A, on the other hand, contains is not generous enough.
Therefore, I think the answer should be B.
Solution:
We are given:
Number of male fishes surveyed by Elena in a river = 350
Number of male fishes with eggs growing inside them = 150
Therefore the number of male fishes without eggs = 350 - 150 = 200
Now the ratio of male fish with egg cells to male fish without egg cells in the river is:

Therefore, the ratio of male fish with egg cells to male fish without egg cells in the river is 
It depends... Characterization is usually based on characters but it could also be something different like what setting a character is in.
Answer:
The pickup accelerates towards right. The box is sticky to the pickup, thus its acceleration is the same, towards right. Its inertia (force) is oposing the acceleration, thus it is towards left. For the box not to move, it is necessary that the truck acts on it with a force towards right. (The two forces of the truck on box and the box inertia (force) equilibrate themselves).
Explanation:
Hope this helps:)