What Is True of Mars

question 77

Multiple Choice

What is true of Mars?

• A) Its atmosphere is mostly water vapor.
• B) Iron oxide on the surface is responsible for its reddish color.
• C) Its magnetic field is stronger than Earth's.
• D) A pool of water was discovered by the Mars Rover.
• E) Definite microfossils have been found.

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Definitions:

Endocrine Gland

Glands of the endocrine system that secrete their products, hormones, directly into the blood rather than through a duct.

Pituitary

A small endocrine gland located at the base of the brain, often termed the "master gland," it plays a crucial role in regulating vital body functions and general wellbeing.

Microelectrode

A small wire used to monitor the electrical activity of or stimulate activity within a single neuron.

Electrical Activity

The movement of charged particles, such as ions, within cells or tissues, crucial for functions in the nervous system and heart.