What Direct Evidence Do We Have That the Weak and Electromagnetic

question 36

Multiple Choice

What direct evidence do we have that the weak and electromagnetic forces were once unified as a single force?

• A)Particle accelerators on Earth can reach energies equivalent to the high temperatures of the Electroweak era and have produced particles predicted by the unified theory.
• B)Temperatures in the center of the Sun can reproduce the conditions during the Electroweak era.
• C)The most advanced telescopes are able to see back to the GUT era in the universe.
• D)Detectors on Earth have received photons and high- energy particles from the GUT era.
• E)We have no direct evidence of such a unified force.

---

Definitions:

Frontal Lobes

The part of the brain located behind the forehead that is responsible for voluntary movement, speech, and complex thought processes.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for integrating sensory information and responding accordingly.

Spinal Cord

The central nerve column that runs down the back and transmits messages between the brain and the rest of the body.

Neurons

Specialized cells transmitting nerve impulses; the basic building blocks of the nervous system.