The triple beam balance is an instrument used to measure mass very precisely. Such devices typically have a reading error of ±0.05 grams. Its name refers to its three beams, where the middle beam is the largest, the far beam of medium size, and the front beam the smallest
This is an example of egocentrism.
It is common in young children but tends to disappear as they grow up. In this case, Marcelo doesn't understand that his grandma cannot see what he is seeing - they are talking on the phone, which means that they are not together at the time, thus she cannot see the bird he sees. Young children cannot understand that other people have other perspectives other than their own, and that sometimes they don't match.
Answer:
A. preview
Explanation:
in the word "preview" the prefix is "pre-" which means "prior to" or "before". the prefix comes from the latin language.