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the process of extracting metals from ores using bacteria.
unicellular organisms that do not have a proper nucleus or membrane bound organelles.
nutrients are obtained by digesting organic compounds that have to be acquired and ingested by...
tough cartilage that acts as a shock absorber between vertebrae and at the ends of bones in ball...
cells that are formed during secondary growth by the vascular cambium ring just to the inside of...
all types of waste that pose a significant threat to people and the environment.