Author Question: The most costly aspect of photovoltaic technology is being addressed by A) inventing a way to ... (Read 371 times)

09madisonrousseau09 · **on:** Jul 16, 2018

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