The temperature at the center of the Earth is estimated to be degrees Fahrenheit. A) 500 to 1000 B) 2000 to 3000 C) 5000 to 8000 D) 9000 to 12,000

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

може ли да зареждате повече информация, моля