What uses HTML hypertext links that users can click to access different locations or information?

Asalesman at a high end computer security firm want to sell you a proactive cover for your passport, which contains an rfid tag inside storing your sensitive information. the salesperson's solution cost only $79.99 and protects your passport from being read via radio waves while it is in your pocket. explain how you can achieve the same thing under $3.00

What social factors affect your health

How are we able to create photographs differently than 100 years ago? explain your answer in relation to your photograph you selected.