<span>This is true. Radio frequency waves are not of high energy like visible light, and therefore, people cannot see them directly. They are made up of electromagnetic radiation, and their wavelengths in the electromagnetic spectrum are longer than infrared light.</span>
Answer:
Amber needs to run with the document and hide it in a safe place so no one else can access her document:)
<span>unmatched query can be used when you use one table to store data about an item, and another table to store data about items movement such as sales that involve that thing. To determine which items are idle these stored information is not enough because the item movements table includes data only about items that have been sold. You must compare the two tables to determine which items are idle. In such situations this query is used</span>
everything except the third one ;)
