How many languages can Stephen hawking speak?

What Japanese city proclaimed earthquake-resistant due to strict building codes? When one group conquers another the culture of defeated group is the only one that changes? What does the food pyramid look like? What air mass would produce warm humid weather in summer? Are There Any Historical buildings in Beijing? How does hydrogen effect on plants? Chlorine in the stratosphere is believed to primarily from CFC rather natural sources such as volcanoes because? Why can damage to a nucleic acid lead to a person not producing an enzymes? What is the height of Steamboat Mountain? What natural disaster involves freezing temperatures? Why the combination of alleles called genotype? If a book weighs 1lb 9oz how much would 4 books weigh? What are the movement types occurring at the major synovial joints during over arm cricket bowl? What are the types of sensory receptors? What is the use of acrylate? Do animal have a cytoplasm? What nation is at 51 N 21 E? Why is the sun called the apparent path? What happens when you mix uranium hexafluoride with water? Where are volcanos found?