Definition: This is is a medical procedure used in prenatal diagnosis of chromosomal abnormalities in which a small amount of amniotic fluid is extracted amniotic sac surrounding a developing fetus and the
fetal DNA is examined.

Amniocentesis

Explanation:

It involves inserting a long needle to extract fetal cells from the fetus's surrounding fluid for these diagnostic purposes. It is a risky procedure that has since been widely replaced by cell-free DNA testing.

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

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looks like the answer is     c     to me!