C, static posture means repeating the same posture over and over again, eventually resulting in static posture
The two elements are FLUORINE AND CHLORINE. These two elements have similar characteristics because they belong to the same group in the periodic table.
On the periodic table, elements with similar properties are grouped together in the same group. Both chlorine and fluorine belongs to the halogen group.
Yes, in this way we become more open minded and take in validated ideas of others.