The answer is checking the URL.
Looking at the URL or the web address of the website will help you determine whether the site contains reliable and credible information or not. Domain names like .edu and .gov are usually trusted sites. What you are looking for are sites with trusted institutions that have a proven record of integrity and reliability. Domain type should always match the content. For example, .edu should have educational material. By checking the URL, You’ll also be able to establish the person’s name or the agency that published the article.
Answer:
possibly he made an image in the photo or this
Explanation:

Answer: Data model
Explanation: Data model is the arrangement of the information in the form of table structure to maintain it in the form of database.They help in the keeping the entities in the sequence and can be tracked when required.Example- vendors records,customer record etc.
Other options are incorrect because the data retrieval is the regaining of the data from database, record instance is the parts of the database records and meta data give knowledge about other data.