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Author Question: Oxygen first began to accumulate in Earth's atmosphere as a result of ____. A) biosynthesis B) ... (Read 21 times)

SAVANNAHHOOPER23

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on: Aug 22, 2018
Oxygen first began to accumulate in Earth's atmosphere as a result of ____.
 A) biosynthesis
  B) cellular respiration
  C) methane synthesis
  D) photosynthesis

Question 2

The amount of heat generated does not always indicate a higher temperature.
  Indicate whether the statement is true or false


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abctaiwan

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Reply #1 on: Aug 22, 2018
Answer to Question 1

D

Answer to Question 2

True


SAVANNAHHOOPER23

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Reply 2 on: Aug 22, 2018
:D TYSM

peter

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Reply 3 on: Yesterday
Wow, this really help

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