After the Big Bang,as the Universe Cooled and Protons and Electrons

question 27

Multiple Choice

After the Big Bang,as the universe cooled and protons and electrons combined so that the universe became neutral,what important consequence happened?

• A) Photons began to travel freely through the universe.
• B) Neutrinos ceased to interact with normal matter.
• C) Dark matter ceased to interact with normal matter.
• D) Protons and neutrons combined to form nuclei such as deuterium and helium.

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Definitions:

pH Value

A numeric scale used to specify the acidity or basicity of an aqueous solution, with values ranging from 0 (most acidic) to 14 (most basic), and 7 being neutral.

Beer

A fermented beverage made from barley, hops, water, and yeast, commonly consumed worldwide.

Blood

A fluid, circulating connective tissue that transports nutrients and other materials through the bodies of many types of animals.

Bleach

A chemical compound used to whiten or remove color through oxidation or reduction, often used for disinfection and stain removal.