EXERCISE 18 Are the following phrases true or false Explain your answer. The most abundant geochemical elements are oxygen and silicon.
{"Image DocumentName": "EXERCISE 18Are the following phrases true or false? Explain your answer. The most abundant geochemical elements are oxygen and silicon.", "Image ImageDescription": "The plant pot is a natural material. The oceanic crust is formed by the area of the crust which is submerged. A rock is a mixture of minerals. The simple substances iron and aluminium are found in the Earth\u2019s crust. The glass is a natural material. Those countries that do not produce CFCs, will not be affected by holes in the ozone layer. The greenhouse effect and ozone hole are not the same. Susana Morales Bernal.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}