Multiple Choice
What is the distinguishing characteristic of what we call ordinary or baryonic matter?
A) It emits a great deal of light.
B) It can attract other matter through the force of gravity.
C) It is made of subatomic particles that scientists call WIMPs.
D) It consists of atoms or ions with nuclei made from protons and neutrons.
Correct Answer:
Verified
Correct Answer:
Verified
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