Answer:
biodata, also known as biographical data, contains various informations about a person. It includes; name, career, achievements, aspirations...
The challege Sara faces is that she had to decide whether or not to help the lady she saw on the trail, even though she was too scared.
Answer:
density is defined as the mass of a substance per unit volume, and is highly variable in crustal rocks. Rock density is a physical characteristic that is governed by the chemical composition (in situ minerals) and pore spaces of a specific rock or rock type.
Explanation: