Answer:
a molecule
Explanation:
sodiunmn chloride is small and the smallest form is a molecule.
Answer:
endothermic
Explanation:
The difference between an endothermic and exothermic reaction is that heat is released in an exothermic, while an endothermic involves absorbing energy from the surroundings. It is all in the prefixes exo and endo.
Living systems are open self-organizing life forms that interact with their environment. These systems are maintained by flows of information, energy and matter. Some scientists have proposed in the last few decades that a general living systems theory is required to explain the nature of life.
It melts into a tail and vanishes
