Which telescope did astronomers use in 1974 to send an anticoded message to globular cluster M13?
a. HST
b. Keck
c. Arecibo
d. Chandra
e. Kepler
Question 2
What was Miller and Urey trying to replicate in their experiment?
a. the formation of cell
b. the formation of ozone
c. the formation of photosynthesis
d. the formation of organic molecules
e. the formation of liquid water