How does the waste of the pandemic relate to biosphere

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

What factors contribute to the effect an environmental toxin has on the human body?

Recombinant dna is the merging of dna from unrelated organisms to create new genetic varieties is assembled in the lab from mononucleotides was part of the green revolution of the 1960s is pollination of one plant by another of the same species is cross-pollination of one plant by a different species