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Author Question: Which domain or domains are made up of organisms without nuclei? a. archaea only b. bacteria ... (Read 133 times)

berenicecastro

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Which domain or domains are made up of organisms without nuclei?
 
  a. archaea only
  b. bacteria only
  c. eukarya
  d. both archaea and bacteria
  e. both bacteria and eukarya

Question 2

The Moon's distance from Earth is measured very accurately by bouncing a laser beam off of a small mirror left on the surface of the Moon. If a laser is fired at the Moon and the signal returns in 2.6 seconds, what is the distance to the Moon?
 
  a. 390,000 km
  b. 390,000 m
  c. 780,000 km
  d. 780,000 m



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sailorcrescent

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Answer to Question 1

d

Answer to Question 2

a
RATIONALE: Distance = speed of light  time




berenicecastro

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Reply 2 on: Jul 27, 2018
Excellent


kusterl

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Reply 3 on: Yesterday
Gracias!

 

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