A Dark-Colored Igneous Rock with No Visible Crystals Cooled

question 75

Multiple Choice

A dark-colored igneous rock with no visible crystals cooled:

• A) slowly in a magma chamber.
• B) quickly in a magma chamber.
• C) slowly on the Earth's surface.
• D) quickly on the Earth's surface.
• E) none of the these

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Definitions:

Contraction of the Uterus

The contraction of the uterus involves muscle fibers in the uterus contracting, playing a key role during childbirth to help deliver the baby, and during the menstrual cycle to expel the lining.

Oxytocin

A hormone and neurotransmitter involved in childbirth and lactation, also playing a role in social bonding and trust.

Prostaglandins

A group of physiologically active lipid compounds having diverse hormone-like effects, such as regulating inflammation and body temperature.

Cortisol

A steroid hormone, secreted by the adrenal cortex, that helps the body adjust to long-term stress; stimulates conversion of other nutrients to glucose in the liver, resulting in increased blood glucose concentration.