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Author Question: Current evidence suggests that life on Earth A) originated in shallow ponds on land B) was ... (Read 77 times)

Ebrown

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on: Jul 27, 2018
Current evidence suggests that life on Earth
 
  A) originated in shallow ponds on land
  B) was delivered from elsewhere in meteorites
  C) was deliberately planted by an advanced civilization
  D) originated close to deep-sea volcanic vents or underground

Question 2

What law of nature explains why electrons must arrange themselves in atoms with no more than two per energy level, thus making chemistry possible?
 
  A) the exclusion principle
  B) the uncertainty principle
  C) the law of conservation of energy
  D) the law of conservation of angular momentum
  E) the electromagnetic force law


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firehawk60

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

D

Answer to Question 2

A


Ebrown

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Reply 2 on: Jul 27, 2018
Excellent

laurnthompson

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Reply 3 on: Yesterday
:D TYSM

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