Minerals in Britain 0.0 / 5 ? ChemistryMineralsGCSEOCR Created by: rstaines98Created on: 03-01-14 14:14 What are the massive portions of rocks that are divided on the Earth's crust and upper mantle called? Tectonic Plates 1 of 5 What field is surrounding the Earth a runs from pole to pole? A magnetic field 2 of 5 What is biggest clue to show what the climate used to be like millions of years ago? Sedimentary Rocks 3 of 5 If there are ripples in a rock, what does this show? The rock has been formed the wind blowing or from water. 4 of 5 How can geologists tell how old a rock is? From fossils and plants in the rock 5 of 5
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