Answer:
the technological design allowed scientistss to determine differences is
Microscopes
Simple Diffusion Across the Cell (Plasma) Membrane. The structure of the lipid bi-layer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down their concentration gradient, by simple diffusion.
A solution with higher pH levels is more basic. That is because 7 is neutral. Higher than 7 is basic, and lower than 7 is acidic.
Final answer: basic
Because you wouldn’t want to harm others and they would want to know what there putting