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why is it vital that a scientist recognize his or her own biases and that they be open to criticism?

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.