which tests are noninvasive and performed to detect chromosomal abnormalities in the fetus???

Answer: ultrasonography
Question: how many seasons of jersy shore are there?

Answer: 6
Answer this question: the accumulation of free oxygen in earth's atmosphere began with the origin of??

Oceanic cyanobacteria
Q: what does the little u mean in statistics?A: a random variable
Input: who sang i hate myself for loving you?

Output: Joan Jett and the Blackhearts
Input: what term describes features that are similar in structure but different in function?

Output:
homology