Q: What travels 9.5 trillion kilometers a year? Choices: - Sound - electricity - air - light A:
light

Q: Saliva can carry the hiv virus, but it won't spread it, unless the saliva gets into what? Choices: - lungs - kidneys - liver - bloodstream A:
bloodstream

Q: What term is used to describe major changes in the genetic material? Choices: - generational alterations - eukaryotic alterations - mutational alterations - chromosomal alterations A:
chromosomal alterations