Jillian made a model of an animal cell. she used a round balloon to represent the cell membrane. she pushed objects like marbles and rocks into the balloon to show cell parts, then filled it with water to show fluid inside the cell. what is a limitation of jillian's cell model?

The history of ethical regulations in human subjects research began with the: a. declaration of helsinkib. nuremburg codec. common ruled. belmont report

The belmont principle of beneficence requires that: a. subjects derive individual benefit from study participation.b. potential benefits justify the risks of harm.c. the study makes a significant contribution to generalizable knowledge.d. risks are managed so that they are no > minimal.

How is the uk’s government is solving the air pollution problem?