Why can you see the cell membrane in cheek cells but not in onion or elodea cells

Acquired mutations can result from radiation pollution toxins inheritence select all that apply

Select three sports that require participants to be highly fit before the beginning a: snowboarding b: skydiving c: rock climbing d: bungee jumping e: free diving f: hiking

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?