What is Phytoremediation?

Differentiate Phytoremediation and Mycoremediation .

Match the following {:( "(p)Bread", " (i) Phytoremediation") , ("(q) Wine " , "(ii) Spirulina"),(" (r)Single cell protein" , "(iii) Fermentation") , ( "(s)plant" , " (iv) Classical biotechnology"):}

What is variation? What are its types?

What is relative dating and what absolute dating.