1. Seleccione un proceso de la vida cotidiana el cuál pueda representarse por medio de una reacción química. 2. Determine las cantidades de reactivos necesarias para que este proceso pueda generarse.
3. Realice cálculos estequiométricos donde por medio de factores de conversión cambie las cantidades de reactivos en unidades de moles, moléculas y átomos.

the trilobite is used as an index fossil for various geologic time periods as specific types of the trilobites were present in different geological time periods. they are a group of marine arthropods belonging to the class of trilobita.

explanation:

well, since there is no answer choices, i will give an answer on how it works : )

the two objects are placed together. energy will always be transferred from the hotter object to the cooler object until they are equal. hope this is close to one of the answer choices : )