The Fresh Kills Landfill in Staten Island, New York, is unlined but in the process of becoming the Fresh Kills Park. This park will be more than three times larger than Central Park in Manhattan. It will have recreational spaces, as well as abundant wildlife habitat. Which statement best describes the impact of the sustainable use of this landfill? I. Landfill will be hidden from residents.
II. Plant and animal species will return to the area.
III. No more pollution will leak from the landfill.

the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation:

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the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.