1 ÄeskÃ½ Pivni PivnÃ­ (Festival Czech Beer) festival is the Biggest czech beer, festival is 17 days long and held every year In may In. 2  Prague Pilsner fest is the big festival held every year In august In.  plzeÅ ÄeskÃ½ Pivni PivnÃ­ (Festival Czech Beer) festival is the Biggest czech beer, festival is 17 days long and held every year In may In. 2  Prague Pilsner fest is the big festival held every year In august In.  plzeÅ
Quick Answer. Hydrogen bonds hold together the atoms in a water molecule. A single water molecule is made up of two hydrogen atoms and one oxygen atom.
A nucleotide is held together by covalent bonding. The two strands of DNA are held together by hydrogen bonds between the complimentary base pairs.