Newly formed species typically have experienced different A) ...

[CharlieWard]

Newly formed species typically have experienced different
 
  A) numbers of offspring.
  B) life spans.
  C) dietary habits.
  D) selective pressures.

Question 2

A power tower concentrates solar energy by
 
  A) heating water in pipes that run along rows of mirrors.
  B) using one very large glass lens to focus sunlight.
  C) using a large field of mirrors to direct sunlight to a specific location.
  D) collecting light in a series of fiber optic cables directed to underground steam rooms.

[zenzy]

Answer to Question 1

D

Answer to Question 2

C

[CharlieWard]

Thanks for the timely response, appreciate it

[nguyenhoanhat]

TYSM