English, Islam, monotheistic, religious
Answer:
I believe it is C, please correct me if it is incorrect.
Explanation:
Some parts of the route will be mountains, rocky roads, etc. Therefore it will gradually increase.
That's the definition of "free fall".
We can never observe free-fall in our daily life on Earth. There's always
at least one other force besides gravity acting on a falling body, because
it's always falling through air.
C) The number of Bears with decrease.
The contaminated fish with cause the bears to be contaminated and die.