Replacement is the molecule-by-molecule substitution of another mineral of different composition for the original material. The fine details of shell structures and wood are generally preserved. Minerals which commonly replace hard parts are silica and pyrite
12. The oceans are, by far, the largest reservoir of water on earth — over 96% of all of Earth's water exists in the oceans.
13.The organisms that contribute the most to the water cycle are plants. Plants release water into the atmosphere through transpiration.
14. Russia 139,406 4,164,738
15. Some human activities, such as pumping water into the ground for oil and gas extraction, can cause an aquifer to hold too much ground water. Too much ground water discharge to streams can lead to erosion and alter the balance of aquatic plant and animal species.
16. There would be more water by %8 can i have brainliest now LOL