5. Cual de las siguientes opciones es un conjunto de observaciones controladas que prueba una hipótesis?

What is the specific heat of a substance that absorbs 2.5×10^3 joules of heat when a sample of 1.0 ×10^4g of the substance increases in temperature from 10°c to 70°c?

List four observations that indicate that a chemical reaction may be taking place

Which statement best explains the relationship between an area is geography and the temperature of its surface water