(Question)
Q: What is the rigid layer that is found outside the cell membrane and surrounds the cell? Choices: - cell barrier - cell shield - cell root - cell wall A:
(Answer)
cell wall

(Question)
Q: What kinds of cells that are important to our physical functioning can atrophy when they are not used? Choices: - reproductive - brain - digestive - muscles A:
(Answer)
muscles

(Question)
Q: Contour tillage helps slow water run-off and what process that causes topsoil loss? Choices: - water erosion - ice shelf erosion - plate tectonics - soil erosion A:
(Answer)
soil erosion