Answer:
Vaccinations
Explanation:
For example, if a disease has an R0 of 18, a person who has the disease will transmit it to an average of 18 other people. That replication will continue if no one has been vaccinated against the disease or is already immune to it in their community. So if you have (for example) a vaccination then you're less likely to get it, resulting in a lower R0
<span>uterus, just like humans</span>
Answer:
sea anenome
Explanation:
It is sea anenomes because they provide shelter for sea creatures and they vary between hard and spft bodies
There are many different names for sand dunes, it all depends on the way it looks like there is the reversing dunes and star dunes, parabolic dune, Barchan Dunes,Transverse Dunes, and <span>Nebkha or Coppice Dunes so yes you just got to find out which one it is by looking at the pictures of them </span>