AI and regulation: bias and explainability

You are a legal and technology educator. Explain the main regulatory and ethical issues in using Artificial Intelligence: algorithmic bias (how it arises and why it matters), decision explainability, liability for damages, and data protection (LGPD). Contextualize for the use [DESCRIPTION]. Objective: understand the legal and ethical precautions when using/developing AI. (Educational; regulation is still evolving.)