The most costly aspect of photovoltaic technology is being ...

[09madisonrousseau09]

The most costly aspect of photovoltaic technology is being addressed by
 
  A) inventing a way to convert alternating current to direct current.
  B) inventing a way to convert direct current to alternating current.
  C) finding a way to reduce the damaging effects of the sun on solar panels.
  D) new technologies that reduce the cost of manufacturing solar cells.

Question 2

Without human intervention to save a species from extinction, which one of the following organisms would be most likely to survive threats to its extinction?
 
  A) A flower species that produces three seeds a year and lives for up to 4 years
  B) A mushroom species that releases millions of airborne spores and dies
  C) An elephant species that provides parental care for 1 or 2 offspring for more than a year
  D) A frog that lays 50 to 100 eggs every year for 2 to 3 years

[smrerig]

Answer to Question 1

D

Answer to Question 2

B

[09madisonrousseau09]

Excellent

[Alyson.hiatt@yahoo.com]

Gracias!