Solar thermal systems can
a. track the sun
b. focus sunlight on a central heat-collection point
c. produce temperatures high enough for making high-pressure steam to run turbines
d. all of these
e. none of these
Answer: D
Solar thermal systems can
a. track the sun
b. focus sunlight on a central heat-collection point
c. produce temperatures high enough for making high-pressure steam to run turbines
d. all of these
e. none of these