Multiple Choice
The four fundamental forces in the Universe are the ___ forces.
A) strong, weak, electrical, and magnetic
B) electromagnetic, gravitational, nuclear, and weak
C) electromagnetic, gravitational, strong, and weak
D) magnetic, electroweak, gravitational, and strong
E) electromagnetic, unified, strong, and weak
Correct Answer:

Verified
Correct Answer:
Verified
Q50: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8862/.jpg" alt=" Figure 18-12 (for
Q51: The evolution of the distribution of dark
Q52: Why do astronomers conclude that the Universe
Q53: The cosmic microwave background radiation comes from
Q54: The radiation detected by Penzias and Wilson
Q56: Olber's paradox states that the _.<br>A) Universe
Q57: Tiny amounts of lithium and beryllium were
Q58: Arno Penzias and Robert Wilson are famous
Q59: The Universe is _ because it looks
Q60: The recombination era of the big bang