Environmental Science
Which of the following statements regarding species interdependence are true? A. An association of two species where one is benefitted and other remains unaffected called mutualism B. An interspecific association where both partners derive benefit from each other is called commensalism C. A direct food relation between two species of animals in which one animals kills and feed on another is referred as predation D. A relationship between two species of organism where both the partners are benefitted from each other is called symbiosis

A and B only
B and C only
A and C only
C and D only
B and D only

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Environmental Science
Lead poisoning

reduces O2 carrying capacity of hemoglobin in blood
increases O2 carrying capacity of hemoglobin in blood
reduces O2 carrying capacity of myoglobin in muscles
increases O2 carrying capacity of myoglobin in muscles

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