*Question*
Q: Sounds, chemicals, and visual cues are examples of what between animals? Choices: - migration - circulation - procreation - communication A:
**Answer**
communication

*Question*
Q: What is formed when each sodium atom donates its single valence electron to a chlorine atom? Choices: - carbon chloride - nitrogen chloride - trioxide chloride - sodium chloride A:
**Answer**
sodium chloride

*Question*
Q: Heat and light are forms of what, which refers to the ability to do work? Choices: - fuel - food - waves - energy A:
**Answer**
energy

*Question*
Q: Alkenes can react with what to form alcohols? Choices: - air - proteins - sugars - water A:
**Answer**
water