Question

what are the very effective elements??​

Answer 1

Answer:

Krypton, Curium, Lutetium, Zirconium, Copper, are some very effective elements.

Hope it will help you.

Answer 2

Answer:

hello aap kya kehna chahte hooo mujhe smj nhi aaeyaa aap ne mere questions prr reply kiya thaa voo smj nhi aaeyaa