(Question)
Q: A solution is what type of mixture, where the dissolved particles are spread evenly through the mixture? Choices: - saline - gaseous - heterogeneous - homogeneous A:
(Answer)
homogeneous

(Question)
Q: What is the combination of tissues that provides a tough, woody external covering on the stems of trees called? Choices: - cuticle - scale - epidermis - bark A:
(Answer)
bark

(Question)
Q: Blood volume increases substantially during pregnancy, so that by childbirth, it exceeds its preconception volume by 30 percent, or approximately what? Choices: - 2-3 liters - 3-5 liters - 0-1 liters - 1-2 liters A:
(Answer)
1-2 liters