Answer:
A
Explanation:
The region with the least population growth will have the shallowest line. That would be Europe. Between 2000 and 2020, the line is basically flat, while the others are rising.
Answer is A.
Balenced
Think of it this way if 2 same weight and same speed objects were racing toward each other perfectly straight then their forces will cancel out and the movement afterwords will be 0
C. endothermic
An endothermic process takes heat from the surroundings while an exothermic process gives out heat to the surroundings.
The frequency produced by the string could be 437 Hz or it could be 443 Hz.
The frequency of the beats ... 3 Hz ... tells the piano tuner that
the difference between the fork and string frequencies is 3 Hz,
but it doesn't tell her which one is higher or lower.