Answer:
a. 3. Global scale
b. 2. Synoptic scale
c. 1. Mesoscale
d. 4. Microscale
Explanation:
Mesoscale helps meteorologists to identify the movement of storms and its formation. It is an intermediate scale between weather systems and micro climate. Synoptic scale in meteorology is the large scale for cyclone movements. It records movement per 1000 kilometres of 620 miles.
I believe its b , hope it helps
Answer:
Over the last two centuries the dipole strength has been decreasing at a rate of about 6.3% per century. At this rate of decrease, the field would be negligible in about 1600 years. However, this strength is about average for the last 7 thousand years, and the current rate of change is not unusual.