Answers
When doing medical research with human subjects, the following are unavoidable limitations;
It’s often impossible to repeat trials on the same subjects.
Subjects may report an inaccurate medical history.
It can be difficult to control all possible variables
There are ethical or privacy concerns to consider.
Explanation
When doing a medical research that involves human subjects it should be voluntary, informed and consent. The researchers should respect the persons treated as autonomous agents. The volunteers should be protected from physical, mental and emotional harm. The benefits should outweigh the costs.
Answer:
i believe C
Explanation:
the layers propose a volcanic eruption along with the crystals such as how an agate forms.
Facilitated diffusion occurs with the help of a transport protein, such as electrons passing through ATP synthase in the electron transport chain.
cell membrane: both
cytoplasm: both
chloroplast: plant
im not sure about the others sorry
Answer:
Heartbeat, circulation, breathing, and brain functioning stop.
Explanation:
Clinical death is the medical term used for the <em>cessation of cardiac function (heartbeat and therefore circulation) and breathing.</em> <em>It can be reversible with resuscitation,</em> but it has limits, one of these is relative to the brain, more than 3 minutes of clinical death can damage it irreversibly <em>causing brain death as well.</em>
Considering this information we can conclude that the correct answer is "heartbeat, circulation, breathing, and brain functioning stop"
I hope you find this information useful and interesting! Good luck!
