Multiple Choice
Which of the answers below is NOT a factor in the Drake equation estimating the number of communicative technological civilizations in our galaxy?
A) the number of stars in our galaxy..
B) the fraction of stars with planets
C) the number of suitable planets (with liquid water) per system of planets
D) the fraction of suitable planets on which life arises.
E) the distance of the Earth from our sun.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: The "framework" of molecules important for life
Q2: A single human cell encloses about 1.5
Q5: Which of the type stars below would
Q7: The stars most likely to have inhabited
Q8: A change in the genetic information in
Q9: Chemical evolution concentrated the varied smaller molecules
Q10: If life is to develop on a
Q11: Even if a society on the nearest
Q65: DNA molecules cannot be altered by chance
Q78: The _ is a region around a