Answer:
the answer is true
Explanation:
I looked up the definition and B cells are activated and they proliferate to produce antibody become cells that produce antibodies for that antigen .
Answer:
A. Skin rashes, mold development, rubbing of skin, skin deterioration, skin breaks, cyanosis
Explanation:
I majored in Health
Answer:
Foreign/Exotic species
Explanation:
If you are talking about introduced, think of foreigners but as animals.
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.