Dark Energy Accounts for About 70% of the Critical Density

question 9

True/False

Dark energy accounts for about 70% of the critical density of the Universe.

---

Definitions:

Evolutionary History

The branch of biology that studies the origins and changes in the diversity of life over time, explaining how and why species have evolved and become extinct.

Limbic System

A complex system of nerves and networks in the brain, involved in instinct and mood. It controls basic emotions (fear, pleasure, anger) and drives (hunger, sex, dominance, care of offspring).

Brainstem

The part of the brain that connects the spinal cord to the rest of the brain, controlling many basic life functions such as breathing and heart rate.

Split-Brain Patients

Individuals who have undergone corpus callosotomy, a procedure that severs the corpus callosum, resulting in the separation of the brain's hemispheres and affecting information processing.