Ionizing $P$ and non-ionizing $Q$ radiations cause cancer.
$\quad \quad \quad P \quad\quad Q$

• A
  $X$-rays,$\gamma$-rays $\quad UV$ rays
• B
  $X$-rays,$\gamma$-rays $\quad UV$ rays
• C
  $UV$ rays $\quad X$-rays,$\gamma$-rays
• D
  $X$-rays,$UV$ rays $\quad \gamma$-rays