The erupting geysers of nitrogen gas on Triton A) are caused ...

[bio_gurl]

The erupting geysers of nitrogen gas on Triton
 
  A) are caused by a not yet determined internal energy source.
  B) can be viewed by the Hubble Space Telescope.
  C) produced the large liquid oceans.
  D) are increasing the moon's rotation rate.
  E) produced the frozen nitrogen surface.

Question 2

Planetary transits of exoplanets are rare because
 
  A) most stars are too bright for us to detect a planetary transit.
  B) the Earth's atmosphere interferes with our observations of transits.
  C) our telescopes are not powerful enough to detect them.
  D) most extrasolar systems are not seen edge-on.
  E) most exoplanets are smaller than Pluto.

[joneynes]

Answer to Question 1

A

Answer to Question 2

D

[bio_gurl]

Great answer, keep it coming

[atrochim]

Thanks for the timely response, appreciate it