To minimize potential risks of harm, a researcher conducting an on-line survey can: specify that all respondents must be legal adults. comply with the survey softwares terms of service agreement. suggest that subjects print a copy of the informed consent form for their records. design the survey so that no direct or indirect identifiers are collected.

Design the survey as no one as direct or indirect identifier collected  

Explanation:

Online survey:

Many surveys are sponsored by government agencies ask about the stigmatized, sensitive and even illegal behavior knowledge by which unauthorized others could subject the respondent to loss of reputation, loss of employment and civil or criminal penalties. A variety of threats existed in data collection. The most common is careless not removing names, gender, telephone number and address from the question-are and data file, leaving cupboard unlocked and encrypting files that have record the information of the client. Less common but more potential risk is confidentiality are legal demands for identifying data.

well, there are a lot of places we get information about earth from. like science classes, websites, books, newspapers, etc.

the answer is a quran