Why is the hypothesis that life on Earth came from outer space ...

[viki]

Why is the hypothesis that life on Earth came from outer space considered plausible?
 
  A) because alien DNA is like human DNA
  B) because organic molecules have been found in space
  C) because many meteorites contain complex organic molecules
  D) because Earth has had many collisions in its history
  E) because Earth formed with the Sun from the solar nebula

Question 2

In Hubble's classification, which type of galaxy has a small bulge and loose, widely spread, poorly defined spiral pattern?
 
  A) SO
  B) S9
  C) Sa
  D) Sc
  E) SBw

[carlsona147]

Answer to Question 1

C

Answer to Question 2

A

[viki]

Thanks for the timely response, appreciate it

[marict]

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