Possible Equations (Choose the Correct One) $\tau$ =10¹²/H; H=v/d

question 25

Multiple Choice

Possible equations (choose the correct one) : $\tau$ =10¹²/H; H=v/d. If gravity is unimportant and H equals 75 km/s/Mpc, then the age of the universe is about

• A) 8.9 billion years.
• B) 13 billion years.
• C) 16.6 billion years.
• D) 26 billion years.
• E) 74 billion years.

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Definitions:

Rough Endoplasmic Reticulum

A network of membranous tubules within the cytoplasm of a cell, studded with ribosomes involved in protein synthesis and folding.

Autonomic Nervous System

Controls involuntary physiological functions, including heart rate, blood pressure, digestion, and respiratory rate, operating mostly subconsciously.

Somatic Nervous System

Composed of nerve fibers that send impulses from the central nervous system to skeletal muscle.

Peripheral Nervous System

The part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord, responsible for connecting the CNS to limbs and organs.