*Question*
Q: In science, coefficients are used to balance what kind of equations? Choices: - liquid - isolated - mineral - chemical A:
**Answer**
chemical

*Question*
Q: What type of disease occurs when the immune system fails to recognize the body's own molecules? Choices: - gastrointestinal - cardiac - congenital - autoimmune A:
**Answer**
autoimmune

*Question*
Q: What colorful arc-shaped atmospheric phenomena are produced by a combination of refraction and reflection? Choices: - lightning - shadows - sunsets - rainbows A:
**Answer**
rainbows

*Question*
Q: When water slows down, it starts depositing sediment, starting with which particles first? Choices: - smallest - finest - lightest - largest A:
**Answer**
largest