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.
Answer: 5
Explanation:
3 + 1 = 4 (a =10) 3+1+10=14
<span>" "both positive and negative temperature feedback loops.</span>
Answer:
old crust is recycled by subduction
Explanation:
Because many rivers run swiftly down int mountains.
Hope that helps