No aliens, in the sense of extraterrestrials, are known and proven to actually exist.
In other countries what are the examples of superstition with scientific basis
An alien species that takes over the bodies of other creatures to survive
An alien receipt number is the number that is found on your passport. This number is used to identify you while you are in other countries.
You are legally a citizen in one country, and only a resident alien in the other.
Yes there are! Singapore and Philippines are good examples. There are several other countries that have the same time.
Some examples of cooperation between species are: animals alerting each other of predators, animals eating insects off of others. Some examples of competition are: fighting for living space and resources, fighting for a mate.
The Netherlands and Switzerland are the best examples of libertarian countries.
A human. Aliens are people from other countries. A human/space alien mix is just this side of impossible... you'd have better luck crossing a human with a jellyfish than any possible space alien. But they would be called "hybrids" if they did exist.
Your answer cannot be answered if you do not say what the examples are
Probably not on Earth or near it (at least as we would recognize them) but chances are there are thousands of alien species on distant worlds in the universe. They could be as un-advanced as microbes, of as advanced as Star Trek, ether way, other beings exist elsewhere.
You are able to be a male/female spartan(Human) or an Elite (alien species) in halo reach. You can be a Spartan in any playable part of the game but you can only play as an Elite in multiplayer and other group activities.
No. An immigrant is an alien who is here legally and has announced their intention to pursue legal citizenship. Aliens are visitors from other countries who have entered and remain legally. Illegal Aliens are persons from other countries who are not legally in the country.