<span>By studying fossils, scientists get an idea of what the organisms looked like, what they ate, and how they lived. </span>
The correct answer here is B - when chlorine accepts an electron to
complete its octet and becomes a chlorion ion it becomes an Anion. An
anion is a negatively charged ion. Chloride ions are an important
electrolyte within the body.
Examples : cohesion , polarity , high specific heat , adhesion.<span />
It should remain constant because of the law of conservation of mass and because the flask is sealed no mass will escape