which was her debut album?
"Mariah Carey"
Mariah Carey
Carey's debut studio album, "Mariah Carey". 
when did mariah carey's christmas album come out October 28, 1994 how many songs does it contain? UNANSWERABLE was it adapted ? Carey announced via her Twitter account that a film based on "All I Want for Christmas Is You" is being developed when was the singer born? March 27, 1969 or 1970 where was she born? Huntington, New York what are the other activities of the singer? She participated in endorsements for Intel Centrino personal computers and launched a jewelry and accessories line for teenagers, she has a  partnership with Pepsi and Motorola, and many more what are some of her philanthropical works? She became associated with the Fresh Air Fund in the early 1990s, she also donated royalties from her hits "Hero" and "One Sweet Day" to charities, she is well-known nationally for her work with the Make-A-Wish Foundation in granting the wishes of children with life-threatening illnesses, etc. was she part of any controversy? Yes, Carey performed in a New Year's Eve concert for the family of Libyan dictator Muammar Gaddafi, something she later claimed to "feel horrible and embarrassed to have participated in, human rights activists criticized Carey for performing in a concert for Angola's "father-daughter kleptocracy" and accused her of accepting "dictator cash."
wiki:25624301
Mariah Carey [SEP] 1988–1992: Career beginnings, "Mariah Carey" and "Emotions"
Columbia spent upwards of $1 million promoting Carey's debut studio album, "Mariah Carey". After a slow start, the album eventually topped the "Billboard" 200 for eleven consecutive weeks, after Carey's exposure at the 33rd Annual Grammy Awards, where she won the award for Best New Artist, and Best Female Pop Vocal Performance for her single "Vision of Love." The album's singles "Vision of Love", "Love Takes Time", "Someday", and "I Don't Wanna Cry" all topped the US "Billboard" Hot 100. "Mariah Carey" was the best-selling album in the United States in 1991, and achieved worldwide sales of 15 million copies.