Explain why there are a large number of marsupial mammal species in australia and south america, two continents that were once connected.
a) ozone production
b) continental drift
c) the fifth mass extinction
d) the first mass extinction

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation:

no i don't feel that humans have oversubscribed some medications