*Question*
Q: Exemplified by rusty iron, what process is defined as the disintegration of a material due to chemical reactions with other substances in the environment? Choices: - Metal Breakdown - magnesium - extraction - corrosion A:
**Answer**
corrosion

*Question*
Q: A type of what organism causes ergot, a disease that impacts crops directly and has more devastating effects on animals? Choices: - insects - bacteria - virus - fungus A:
**Answer**
fungus

*Question*
Q: What consists of the different species within an area? Choices: - abundant community - science community - contamination community - biological community A:
**Answer**
biological community

*Question*
Q: Adding carbon to iron makes what type of metal? Choices: - ions - titanium - plastic - steel A:
**Answer**
steel