Jeanine wants to perform an experiment on a group of teenagers involving an experimental new drug. She is not granted permission to conduct her study. What is most likely the problem that Jeanine is having with performing her experiment? a monetary limitation an ethical limitation a time-based limitation a technological limitation.

Explanation:

an ethical limitation

this is because money, time, or tech is likely not the issue here. it is risky to experiment on humans, and sometimes it is allowed, but it is likely the ethics here preventing her from continuing.

vascular tissue transports materials from the environment into the plant.

i dont know this but ask your teacher for !