The two main types of waves based on this classification scheme are transverse waves and longitudinal waves. For transverse waves, matter moves perpendicularly to the direction of energy propagation. For longitudinal waves, matter vibrates in the same direction that the energy travels. I find it in google
In middle childhood, once friendship forms, trust becomes its defining feature.
Friendships are related to well‐being, school relations, and how young people feel about their peers at school. Friendship quality may be important in moderating the relationship between peer relations and adjustment.
Friendship plays an increasingly important role in middle childhood. Friendships teach children how to communicate and interact with others, and they provide emotional support.
Friendships during middle childhood take on new importance as judges of one's worth, competence, and attractiveness. Friendships provide the opportunity for learning social skills such as how to negotiate differences.
To learn more about Friendships,
brainly.com/question/14092139
#SPJ4