Solar panels, thermal storage systems, and heat pumps may be used ...

[TFauchery]

Solar panels, thermal storage systems, and heat pumps may be used to
 
  A) cool buildings during warm days. B) cool buildings during warm evenings.
  C) warm buildings during cool days. D) warm buildings during cool evenings.

Question 2

Compared to a water thermal storage system, an ice thermal storage system
 
  A) Is preferable for storing solar heat for later use
  B) Is smaller for the same storage capacity
  C) Takes up about the same space, but operates at a lower temperature
  D) Is larger for the same storage capacity because ice expands when it freezes

[polinasid]

Answer to Question 1

D

Answer to Question 2

B