Answer:
Explanation: If you think it is serious, you may have to go to the hospital. It may be a sign of a skin disease, or worse. Otherwise, you carefully wash the wound with warm water and sanitize it very carefully. Then apply antibiotic and then apply a bandage. If it doesn't heal, contact your physician.
Answer:
B. Staying connected with friends
The next year after 2021 and 2022 is 2023