Answer:
2, 6 are the one you should select
Explanation:
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:
1/4
Explanation:
The reason that the answer is 1/4 is because the young man, his grandfather, his father, and his mother equal 4 people. The young man is 1 person. 1 person/4 people = 1/4.
Answer
D: cell wall, Chloroplast
Explanation:
Answer:
Not using fossil fuels and using renewable fuels instead.
Explanation:
Like using solar and wind power as renewable energy sources will reduce the release of acid rain as it doesn't produce as mush pollution.
