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    Colorful coral reef and fish — Stock Photo
    Colorful coral reef and fish
    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 with fish near Alor — Stock Photo
    Coral reef with fish near Alor
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    Smiling girl sharing glass of sweet soda with mother drinking with straw in cafe — Stock Photo
    Smiling girl sharing glass of sweet soda with mother drinking with straw in cafe
    Sea fans and fish on coral reef — Stock Photo
    Sea fans and fish on coral reef
    Marl stone formation and eroded cliffs made of marl, calcium carbonate-rich, mudstone formed from sedimentary deposits in Dead Sea region of Israel. — Stock Photo
    Marl stone formation and eroded cliffs made of marl, calcium carbonate-rich, mudstone formed from sedimentary deposits in Dead Sea region of Israel.
    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.
    Fish schooling over coral reef — Stock Photo
    Fish schooling over coral reef
    Promontorio del Gargano, Baia di S. Felice e la Torre S. Felice, litorale tra Vieste e Mattinata — Stock Photo
    Promontorio del Gargano, Baia di S. Felice e la Torre S. Felice, litorale tra Vieste e Mattinata
    Coral reef in Komodo National Park — Stock Photo
    Coral reef in Komodo National Park
    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
    Giant clam on coral reef — Stock Photo
    Giant clam on coral reef
    Coral reef near Alor — Stock Photo
    Coral reef near Alor
    Pamukkale hot springs and terraces of carbonate minerals in Denizli Province, Turkey — Stock Photo
    Pamukkale hot springs and terraces of carbonate minerals in Denizli Province, Turkey
    Soft corals and fish on coral reef — Stock Photo
    Soft corals and fish on coral reef
    Colorful coral reef in shallow water — Stock Photo
    Colorful coral reef in shallow water
    Limescale, coloured scanning electron micrograph (SEM). — Stock Photo
    Limescale, coloured scanning electron micrograph (SEM).
    Mojave prickly pear cacti growing at Little Colorado River, Grand Canyon, Arizona, United States — Stock Photo
    Mojave prickly pear cacti growing at Little Colorado River, Grand Canyon, Arizona, United States
    Whitetail damselfish swimming over coral reef — Stock Photo
    Whitetail damselfish swimming over coral reef
    Calcium carbonate salt in petri dish. — Stock Photo
    Calcium carbonate salt in petri dish.
    Flowering Echinocereus fendleri cacti on shore of Little Colorado River, Grand Canyon, Arizona, USA — Stock Photo
    Flowering Echinocereus fendleri cacti on shore of Little Colorado River, Grand Canyon, Arizona, USA
    Pamukkale hot springs and travertines, terraces of carbonate minerals left by the flowing water in Denizli Province in southwestern Turkey — Stock Photo
    Pamukkale hot springs and travertines, terraces of carbonate minerals left by the flowing water in Denizli Province in southwestern Turkey
    Limescale, coloured scanning electron micrograph (SEM). — Stock Photo
    Limescale, coloured scanning electron micrograph (SEM).
    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
    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.
    Chicken eggshell cross section — Stock Photo
    Chicken eggshell cross section
    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
    Giant manta ray hovering over coral reef — Stock Photo
    Giant manta ray hovering over coral reef
    Colorful coral reef in Raja Ampat — Stock Photo
    Colorful coral reef in Raja Ampat
    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
    Brittlebush growing by Little Colorado River, Grand Canyon, Arizona, USA — Stock Photo
    Brittlebush growing by Little Colorado River, Grand Canyon, Arizona, USA
    Diver swimming over coral reef — Stock Photo
    Diver swimming over coral reef
    Soft corals on reef with fish — Stock Photo
    Soft corals on reef with fish
    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
    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
    Coral reef in Komodo National Park — Stock Photo
    Coral reef in Komodo National Park