Many people find that they become ill with a cold after traveling by airplane. the air circulation systems of commercial aircraft use hepa filters that should remove any infectious agents that pass through them. what are the possible reasons for increased incidence of colds after flights?
Answers: 3
Biology, 22.06.2019 07:30
The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body
Answers: 1
Biology, 22.06.2019 15:30
Which of the following can occur to two segments of a population if they are geographically isolated 1.) they can only share some types of genes 2.)both groups most likely become extinct 3.)they find a way to come back together 4.)eventually they become separate species
Answers: 1
Many people find that they become ill with a cold after traveling by airplane. the air circulation s...
Computers and Technology, 29.11.2019 04:31
Computers and Technology, 29.11.2019 04:31