Well there are many catastrophic scenarios that we already overcome. You should consider educating yourself about the great filter. A great filter is a hypothetical barrier that each civilization can or cannot overcome. From here on things get a little complex so I won't bore you with them. But there are experts in this theory called great filter and I'm sure they can tell you a lot about.
You can't bend a ruler and it does not measure what is inside of something
Vestigial structures<span> are often homologous to </span>structures<span> that are functioning normally in other species</span>
Should be position one since the Northern Hemisphere is leaning towards the sun.
carbohydrates
they are like fat but they are used in your body and hold water whitch makse people look bloted
