Biotic-the decrease of fish can Make the bear population decrease
abiotic-A rapid change in the temperature can make the bear population decline
Weather and climate can be one thing
B. hydrosphere
Why? The hydrosphere contains all the waters on the earth's surface, including atmospheric moisture, such as clouds.
You're welcome. :)
The top of the cavern will slowly weather away from acid rain, water or rocks pounding on it
Answer:trade-off
Explanation:trust me bro i just got it right