What were newton's life obstacles?

Which area of geographical study involves examining different populations in the world including distribution and trade patterns? Why doesn't the gastric juice damage the wall of the stomach? Will baking soda kill plants? What are the physical characteristics of aloe? Can natural gas be transported by pipelines? Explain how heredity can be illustrated mathematically? Why does the pH of laurionite increase as the reaction takes place? What are the odds of getting killed in a hurricane then a tornado? Can you use a heat lamp bulb in a regular socket in the bathroom? How do you turn your brown eyes blue but not with contacts? What did Stephen hawking do at the university of Cambridge? What is need to preserve biodiversity? Why do people use sugar and water in the amrit ceremony? How many moons are there in the world? When someone is firm and fair what does it mean? What is a primary clay? Where is the Hopi Butte volcano? What happens to dirt if you put it in a jar of water? What chemical will turn reddish when exposed to water and oxygen? Which geographic feature was not an obstacle to building a railroad in kenya?