At sea level, water boils at 100ºC. At an elevation of 500 meters, however, water will boil at 98.4ºC. Why do you think elevation impacts the temperature at which water boils?

Drag each number to the correct location on the equation. each number can be used more than once, but not all numbers will be used. balance the equation with the coefficients. 2 3 4 5 kclo3 -> kcl + o2

Which material burns faster? metal aluminum

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)