I’m sorry can u translate it to english!
Answer:
The answer is C
Explanation: The random change in the gene pool is due to genetic drift. Remember, genetic drift occurs at a more rapid rate when the population size is reduced. The flood is a random occurrence. It could have as easily been a drought.
the the second least force as it go it lose more and more force until it falls when it force the ball to drop the minute it hits the floor it has the least force
Direct observation is an observation you make first hand. It is something you see with your own eyes and observe yourself.
Hope this helps!