The scientific method could not be used to authenticate UFO sightings. There is no way to set up a control and variable.
Answer:
Here's a couple:
1)Different types of chromosomes.
2)Different diseases or health problems
3) Cognitive or behavioral differences
4)Different genitalia
Explanation:
Hope this helps a little! :)
Answer:
5%
Explanation:
Just 5 percent of Earth's oceans have been explored and charted – especially the ocean below the surface.
I believe it’s the first option