I hope this helps
the common cold is spread either by direct contact with infected secretions contaminated surfaces or by inhaling the airborne virus after individuals sneeze or cough. person to person transmission often occurs when and individual who has a cold blows or touches their nose and then touches someone or something else
Answer:
The answer is D. Cycling
Explanation:
Aerobic exercise is basically "cardio"
Stay safe online make sure not to give any personal info. Don’t talk to any strangers definitely if it can be prevented. If you feel uncomfortable and you feel like you are being used under any circumstances you need to tell a adult.
When the immune system attacks itself.