What is the most common element in air?
Contest rules and disclaimer- The winner will be randomly selected based on submitted answers.
- Winners will be contacted by telephone or e-mail. Remember to include your full name, mobile number and e-mail address.
- If the required information is incorrectly registered, the prize will go back into a new draw.
- Participation in the contest is free and there is no purchase obligation.
- Participation in the contest is allowed for any person who has a valid e-mail address and is 16 years of age or older at the time of registration.
- The participant agrees that the registered e-mail address will be stored and may be processed and used in connection with informing about contest holders products and services at a later date.