Can someone help with question 3 please and I don’t know if this is biology or not but I need help:)

Aboy with an extra x chromosome probably has which of the following syndromes?

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.