(Q).
Q: What is something that all machines must overcome? Choices: - stress - work - temperature - friction A:
(A).
friction

(Q).
Q: Mitosis and meiosis are two types of what process, with dramatically different products? Choices: - cell transition - cell solution - cell diffusion - cell division A:
(A).
cell division

(Q).
Q: What part of a plant protects the plant cell, maintains its shape, and prevents excessive uptake of water? Choices: - chloroplasm - stem - root - wall A:
(A).
wall