the answer is d because childhood assessment is a process of gathering information about a child, reviewing the information, and then using the information to plan educational activities that are at a level the child can understand and is able to learn from. Assessment is a critical part of a high-quality, early childhood program.
A hazardous material is any item or agent ( it can be biological, chemical, radioactive, and any sort of physical object ), that has the potential of harming any biological creature or the environment (by biological we mean humans, animals etc.)
Any substance that is a health hazard is a hazardous material. Here are some examples : chemicals with carcinogents, toxic agents, sensitizers etc.
It is called the Clavicle.
