Marcela has a low activity level, is somewhat negative, and displays a low intensity of mood. she is considered a(n) child.

She is considered a slow-to-warm-up child

Slow-to-warm-up is a temperament attributes of children which is used to describe their general tendencies. Slow to-warm-up children are recognized by their mindful nature and wait and see behavior. They slowly adjust to changes, new situations or routines when they are given time to warm up. They also take their time and consider options when making decisions.

one way archaeology us understand the past is through the material objects it finds, allowing us to know what was being used, and when. for example a dig recently found a flute, believed to be the oldest musical instrument found to date.

i hope this

true