60 minutes hope this helps
Answer: Yes the ozone layer sits at the top to protect us from harmful UV rays from the sun.
Explanation:
1 Take vitamins
3 Wash his hands
4 Cover his mouth when coughing or sneezing
5 Stay in his room and avoid common areas of the hous
Walking is a type of cardiovascular exercise because it builds stamina in your body and also increases the efficiency of your heart and lungs.