#ContestAlert - Many people might be feeling that life in 2020 has become stagnant, but we at #HFE see this as an opportunity to #REfreshLife! Join us for a Twitter contest starting tomorrow, answer a simple question every day and stand to win an amazing prize.
@Contest_in https://t.co/LkUeIR0FmD
Air conditioners and refrigerators have been among the primary causes of ozone depletion. Do you know why? #WorldOzoneDay #ContestAlert https://t.co/NvF70MgtRh
As of 10 September 2020, the ozone hole was observed to be 24 million km square. Do you know which continent this hole was over? #WorldOzoneDay #ContestAlert https://t.co/mKsDjghVua
