Which element is common in both hemoglobin and myoglobin?

According to the kinetic theory of gases,when two molecules of a gas collide with each other,then:

Despite being multicellular,its cells are not organized into tissues.

Euchlorine is a mixture of

$A$ $TV$ transmitter has a range of $50 \ km$. The height of the $TV$ transmitter is . . . . . . (Radius of the earth,$R_e = 6.4 \times 10^6 \ m$). (in $m$)

Which of the following pairs of ions have the same paramagnetic moment?