Questionnaire 15 of 20 : Select the best answer for the question.
15. What term refers to the point below the surface where an earthquake begins?
O A. Seismic zone
O B. Hypocenter
O C. Epicenter
O D. Seismogenic zone

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.