What prevents Titan from being a candidate for supporting an evolution of life?
a. It is too far from the Sun
b. Its atmosphere doesn't contain the right mixture of elements.
c. Its surface is covered in methane lakes.
d. Its surface temperature is too cold.
e. It is tidally locked to Saturn rather than the Sun.
d
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The cosmological principle states that the universe is I. expanding. II. accelerating. III. homogeneous. IV. isotropic
a. I and II b. III and IV c. I and III d. II and IV e. I, II, III, and IV
Sirius has a parallax of 0.38", while Alpha Centauri's is 0.77." Alpha Centauri is about ________ as Sirius
Fill in the blank(s) with correct word
Two long parallel wires each carry a current of 5.0 A directed to the east. The two wires are separated by 8.0 cm. What is the magnitude of the magnetic field at a point that is 5.0 cm from each of the wires?
a. 72 ?T b. 48 ?T c. 24 ?T d. 96 ?T e. 32 ?T
A submarine can withstand an external pressure of 63 atm before collapsing. If seawater has a density of 1027 kg/m^3 how deep can the sub dive?
a. 7112 meter b. 9251 meter c. 6196 meter d. 8043 meter e. 11467 meter