Provide an explanation for each of the following:
(a) what does the drake equation attempt to do?
(b) what determines the habitable zone of a solar system?
(c) is an organic molecule a living entity? why or why not?
(d) why is the "water hole" the best region for communication across the cosmos?

Aray diagram for a refracted light day is shown. what does the dashed line represent

Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate

2. -/1 pointsserpse10 2.7.p.017.mi. an object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x direction when its x coordinate is 2.97 cm. if its x coordinate 2.85 s later is -5.00 cm, what is its acceleration? cm/s2 need ? read it master it