6. Which organisms were first responsible for depleting carbon dioxide from the atmosphere, replacing it with oxygen?
A. Trilobites
B. Dinosaurs
C. Cyanobacteria
D. Plants
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Ответ:
Cyanobacteria
Explanation:
cyanobacteria is one of the first unicellular organisms to conduct photosynthesis. These species of bacteria used photosynthesis since they are single celled and do not have the functions or intelligence to go out and hunt for food
Ответ:
Many of the islands were formed as a result of the subduction of oceanic crust of the Atlantic Plate under the Caribbean Plate in the Lesser Antilles subduction zone. This process is ongoing and is responsible not only for many of the islands, but also for volcanic and earthquake activity in the region
Explanation: