Answer:
Chain surveying is the type of surveying in which only linear measurements are made in the field. The main principle of chain surveying or chain triangulation is to provide a framework consist of a number of well-conditioned triangles or nearly equilateral triangles. It is used to find the area of the field.
Explanation:
Answer:
Los monosílabos ortográficos son aquellas palabras que solo contienen una vocal o un grupo de vocales que forman diptongo o triptongo: huir, liar, Luis, pie, fue, guion, fiais. Los monosílabos ortográficos según las normas actuales no se acentúan en ningún caso, salvo los que tienen tilde diacrítica.
Explanation:
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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.
