Where did life explode for the first time?

What does your body clock have to do with daylight savings time? Is a dinosaur a living thing? What time is 1300 AZ time in eastern standard time? What are chromium atoms? Is saturation point a factor of atmospheric pressure? What is colour of EDTA metal complex? How many times did the American map change? Does the fuel burn slowly? What are eukaryotic heterotrophs with rigid cell walls and no chlorophyll called? The trachea extends from the larynx to what vertebrae? What characteristic of earth results in different seasons over a period of a year? How many electrons does a fluoride anion contain? What are the units of measurements use to express volume? How many kilowatt hours are in 55.33 liters of propane? What is the time change between Texas and Florida? What pevents wind from blowing directly from the North Pole to the South Pole? What part of a map tell the rasionship of distance shown on the map to real distance on Earth? What is bigger than a hurricane? What does NZDT stand for? What are the abiotic and biotic factors of the amur leopard?

Where did life explode for the first time?