Thunder Results from the Sudden Expansion of Heated Air Through

question 55

True/False

Thunder results from the sudden expansion of heated air through the atmosphere caused by a lightening strike.

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Definitions:

Salt

A mineral composed primarily of sodium chloride (NaCl), used as a seasoning and preservative in foods.

Amniocentesis

A process in which amniotic fluid is withdrawn by needle from the uterus and then examined for evidence of possible birth defects.

Ultrasound Scan

A medical imaging technique using high-frequency sound waves to visualize internal organs or a fetus in the womb.

Chorionic Villus Sampling

A prenatal test in which a sample of chorionic villi from the placenta is collected to test for fetal abnormalities.