Star A and Star B have same temperatures, but Star A is more luminous than Star B. Based on this information, which of the following must be the case?
A. Star A and Star B have same size.
B. Star A is more massive than Star B.
C. Star A is larger than Star B.
D. Star A is smaller than Star B.
Answer: C
You might also like to view...
DDT, PCBs, atrazine, bisphenol-A, and phthalates are all examples of ____.
A. insecticides B. hormonally active agents C. estrogens D. androgens E. plastic additives
Which of the following is not an example of an erosional coastal landform?
A) sea terrace B) sea arch C) tombolo D) wave-cut platform E) notched cliff
Why do karst landscapes not form in areas underlain by igneous rocks, but instead, form in areas underlain by limestone?
Earthquakes, volcanoes, and landslides can displace large volumes of water and trigger which of the following natural disasters?
A. tsunamis B. mass wasting C. tornadoes D. lahars