<span>In physics, the law of conservation of energy states that the total energy of an isolated system remains constant—it is said to be conserved over time. Energy can neither be created nor destroyed; rather, it transforms from one form to another.</span>
Copper has all those characteristics and even works on a Notatem scale.
Answer:
Es la tercera por qué cuando el material varía va cambiando de estado
Explanation:
Qualitative properties are properties that are observed and can generally not be measured with a numerical result. They are contrasted to quantitative properties which have numerical characteristics.
1/5 + 1/4 =1/x
4x + 5x = 20
9x = 20
x = 2.22 hours Answer