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    Giant manta ray hovering over coral reef — Stock Photo
    Giant manta ray hovering over coral reef
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Hiker at Little Colorado River colored by Calcium Carbonate and Copper Sulfate in Grand Canyon, Arizona, United States — Stock Photo
    Hiker at Little Colorado River colored by Calcium Carbonate and Copper Sulfate in Grand Canyon, Arizona, United States
    Calcium carbonate salt in petri dish. — Stock Photo
    Calcium carbonate salt in petri dish.
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms. — Stock Photo
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms.
    Flowering brittlebush on rocky shore of Little Colorado River, Grand Canyon, Arizona, USA — Stock Photo
    Flowering brittlebush on rocky shore of Little Colorado River, Grand Canyon, Arizona, USA
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Broadclub cuttlefish hovering above coral reef — Stock Photo
    Broadclub cuttlefish hovering above coral reef
    Coral reef in Komodo National Park — Stock Photo
    Coral reef in Komodo National Park
    Broadclub cuttlefish hovering above coral reef — Stock Photo
    Broadclub cuttlefish hovering above coral reef
    Coral reef near Alor — Stock Photo
    Coral reef near Alor
    Chicken eggshell cross section — Stock Photo
    Chicken eggshell cross section
    Limescale, coloured scanning electron micrograph (SEM). — Stock Photo
    Limescale, coloured scanning electron micrograph (SEM).
    Little Colorado River colored by Calcium Carbonate and Copper Sulphate, Grand Canyon, Arizona, USA — Stock Photo
    Little Colorado River colored by Calcium Carbonate and Copper Sulphate, Grand Canyon, Arizona, USA
    Hiker at Little Colorado River colored by Calcium Carbonate and Copper Sulfate in Grand Canyon, Arizona, United States — Stock Photo
    Hiker at Little Colorado River colored by Calcium Carbonate and Copper Sulfate in Grand Canyon, Arizona, United States
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    Brittlebush growing by Little Colorado River, Grand Canyon, Arizona, USA — Stock Photo
    Brittlebush growing by Little Colorado River, Grand Canyon, Arizona, USA
    Purple sea fan with yellow fringe — Stock Photo
    Purple sea fan with yellow fringe
    Fish schooling over coral reef — Stock Photo
    Fish schooling over coral reef
    Terraces (Made From Crystallized Calcium Carbonate) Dominate The Landscape At Mammoth Hot Springs, Yellowstone National Park; Wyoming, United States Of America — Stock Photo
    Terraces (Made From Crystallized Calcium Carbonate) Dominate The Landscape At Mammoth Hot Springs, Yellowstone National Park; Wyoming, United States Of America
    Coral reef near Alor — Stock Photo
    Coral reef near Alor