One factor that caused the Ebola virus to change was mutation. But once a mutation occurred
what factors external to the virus itself influenced
whether or not that mutant virus was able to
reproduce itself often enough to be considered a
variant?

slitherio is the original. its the best friend of all middle schoolers. the man you can count any time you have some free time. slitherio is the guy you hang with while you're in the computer lab suppose to be doing "research or whatever". slitherio isn't just a game but a friend.

wormaxio is just a fake trying to squeeze its way into the friend group. trying to pretend its cool and your best pal but how long has it really been there for you, really. it only wants you as friend to boost its social status. wormaxio is just annoying fake pleb. no offense

you and have a wonderful day

feral cats are estimated to eat tens of millions of native animals each night in australia

what bodys are there orbiting?