Which element is responsible for the crimson red color in fireworks?

Assertion: In the condition of obstructive jaundice,large amounts of unabsorbed fats are eliminated out of the body.
Reason: Entry of bile into the small intestine is prevented during obstructive jaundice.

The phenotype of an organism is the result of....

The number of unpaired electrons in an $O_2$ molecule is

In an intrinsic semiconductor at room temperature,the number of electrons and holes are:

Two capacitors $C_1$ and $C_2$ in a circuit are joined as shown in the figure. The potential of point $A$ is $V_1$ and that of $B$ is $V_2$. The potential of point $D$ will be