Q: The spinal cord develops, cells making up the wall of the neural tube proliferate and differentiate into what? A:
OPTIONS:
- membrane and glia
- muscles and glia
- jelly and glia
- neurons and glia
neurons and glia
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Q: What is the bending of waves around a corner called? A:
OPTIONS:
- reflection
- propulsion
- absorption
- diffraction
diffraction
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Q: Hard igneous rocks and easily dissolved sedimentary rocks respond very differently to what natural force? A:
OPTIONS:
- gravity
- sunlight
- evaporation
- weathering
weathering
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Q: What has a distinct front and back end? A:
OPTIONS:
- hydro sphere
- heroclix sphere
- imipenem sphere
- volvox sphere
volvox sphere
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