Of the Following Planets, the One with the Thinnest Atmosphere

question 27

Multiple Choice

Of the following planets, the one with the thinnest atmosphere is

• A) Mercury.
• B) Venus.
• C) Mars.
• D) Uranus.

---

Definitions:

Neural Tube Defects

A type of birth defect of the brain, spine, or spinal cord that occurs during embryonic development when the neural tube does not close completely.

Folic Acid

A B-vitamin that is crucial for healthy cell growth and development, especially important during pregnancy.

Average Weight

A statistical measure representing the central or typical value of the weight of a population or sample.

Fetus Opens Eyes

The developmental stage in utero when the fetus is able to open its eyelids, typically occurring in the third trimester of pregnancy.