Answer:
because there might be changes in the future which could make the estimates unreliable for example war or decline in economy
Explanation:
It would be d. all of the above because precipitation means rain, and when it rains the water replenishes also streams and rivers replenish water by allowing water to flow.
We know that the poles had changed positions in the past, because of the arrangement of the crystals in the rocks made out of metal. The crystals of the metals act like the needle of the compass when the rock is cooling off and forming, they turn into the direction of the strongest magnetic field on the Earth, which is the North Pole. So by studying the rocks that are made out of metals and see the crystals arrangement and also estimate the age of the rocks, the scientist can precisely tell how has the North Pole been moving throughout time.
Answer:
1) map A is small scales and Map B is large scales maps
The answer to your question is D).
