Answer:Online surveys have several potential disadvantages:1. **Sampling Bias**: They may not reach a representative sample if certain demographics are less likely to use the internet or respond to online surveys. 2. **Low Response Rates**: People might ignore or delete survey invitations, leading to lower response rates and potentially less reliable data.3. **Data Quality Issues**: Respondents may provide inaccurate or inconsistent answers, especially if the survey is too long or lacks clear instructions.4. **Technical Issues**: Participants might face difficulties with survey platforms due to technical issues or device incompatibility.5. **Privacy Concerns**: Respondents might be concerned about how their data will be used, which could affect their willingness to participate or the honesty of their responses.