C...the key is that they are photosynthetic...so they produce oxygen (like plants)!
Answer:
1. Klinefelter syndrome
2. Nobody can be born with a single X chromosome
Explanation:
1. A genetic condition in which a male is born with an extra copy of the X chromosome
Klinefelter's syndrome isn't inherited, but rather occurs only as a result of a random genetic error after conception.
Males born with Klinefelter's syndrome may have low testosterone and reduced muscle mass, facial hair and body hair. Most males with this condition produce little or no sperm,
2. Sex chromosome occurs due to combination of the X and Y chromosome of both parents.
Helps feed dead things also helps clean up the earth if there was no decomposers earth would look real dirty with dead things around just piling up
When I read about it, it said yeah but I'm not entirely sure
