Answer: lack of access
Explanation:
If they use the mobile phones there are high chances that they won't get everyone through the phone , they may be shortage of responses or insufficient data collection due to the fact that not everyone would answer to this pollsters and they may not even have access to enough mobile phones.
D is not correct because the right one is hong kong
I believe that once it is in the middle inner ear, it goes to the brain.
Hope this helps!
Romulus and Remus are the two twin brothers who supposedly founded Rome in its historical mythology.
