Answer:
Hey there!
The correct answer would be B. Background extinctions are a normal part of stable ecosystems.
Hope this helps :)
Answer:
A) Earth
or C) Mercury
sorry i wasn't that much help but i narrowed it down.
A secondary consumer is the answer
Answer:
2000 km/s
Explanation:
the formula for speed is speed=distance/time, this is the formula that should be used here. 50,000/25, which equals 2,000
