Q: The environment where most chemical reactions in organisms takes place consists mostly of what? Choices: - air - sodium - helium - water A:
water

Q: What is the name for the disease in which cells divide out of control? Choices: - diabetes - mutation - angina - cancer A:
cancer

Q: Like the other outer planets, neptune has rings of ice and what? Choices: - gas - mercury - glass - dust A:
dust

Q: What bodily defense can be acquired in an active or passive way, and can be natural or artificial? Choices: - skin - membrane - nerves - immunity A:
immunity