For the 19th year in a row, the Heritage Foundation, a conservative American think tank, has ranked the city of Hong Kong<span> the freest economy in the world. </span>Singapore was<span> a close second, however, followed by </span>Australia<span> and </span>New Zealand. Switzerland<span> was ranked fifth.
Hope this helped! :)</span>
An ethical concern is a problem that requires someone to choose between alternatives to label something as "right" or "wrong", hence the ethical part.
So, I assume that ethical concern, regarding research, is when you must label different sources as obtaining proper information, or if it's incorrect(?).
I'm only guessing here, sorry, but that's the best I have.
Answer:
energy is radiated out from the core, then, carried to the outer layers by convection.
Answer: he cannot pay attention long enough to learn it.
Explanation: initially, i thought it would be because the information was too complex for his age. however, the technical answer would be he cannot pay attention long enough to learn it.
D. It suggests that daily experiences do not influence dreams