Fungi are always...

The $d-$orbitals which are involved in the hybridization of the central atom in $ICl_4^{-}$ are:

Below are two statements. One is labeled as Assertion $(A)$ and the other as Reason $(R).$
Assertion $(A):$ Gypsum is used to make boards for fireproof walls.
Reason $(R):$ Gypsum is unstable at high temperatures.
In the context of the above statements,choose the correct answer from the options given below:

Which valve is located between the right atrium and the right ventricle?

Let $E$ be the ellipse $\frac{x^2}{9} + \frac{y^2}{4} = 1$ and $C$ be the circle $x^2 + y^2 = 9$. Let $P$ and $Q$ be the points $(1, 2)$ and $(2, 1)$ respectively. Then:

For the given logic circuit,find the output $Y$ in terms of inputs $A$ and $B$.