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Author Question: The first life to originate on Earth must be A) at least as old as the oldest fossils B) exactly ... (Read 116 times)

s.tung

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on: Jul 27, 2018
The first life to originate on Earth must be
 
  A) at least as old as the oldest fossils
  B) exactly the same age as the oldest fossils
  C) younger than the oldest fossils
  D) much older than the oldest fossils

Question 2

A GUT (grand unified theory) refers to theories that
 
  A) unify gravity with the strong and weak forces.
  B) unify the electromagnetic and weak forces.
  C) unify all four forces together.
  D) unify the strong force with the electromagnetic and weak forces.


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kxciann

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

D


s.tung

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

samiel-sayed

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Reply 3 on: Yesterday
Wow, this really help

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