Which of the following show evidence of ancient river beds?
A) the Moon
B) Mercury
C) Venus
D) Mars
E) all of the above
D
You might also like to view...
A cylindrical tank is assembled by welding steel sections in a heli-cal pattern with angle ? 5 50°. Tank diameter is 1.6 m, thickness is 20 mm, and internal pressure is 2.75 MPa. Modulus E 5 210 GPa and Poisson’s ratio ? 5 0.28. The normal stress acting perpendicular to the weld is approximately:
(A) 39 MPa
(B) 48 MPa
(C) 78 MPa
(D) 84 MPa
Within Earth's atmosphere the ozone layer is located:
A) in the troposphere. B) between the troposphere and the stratosphere. C) in the stratosphere. D) between the stratosphere and the mesosphere. E) in the mesosphere.
Winds on Mars give rise to planet-wide dust storms
Indicate whether the statement is true or false
Thrust a magnet into a coil of wire and you'll induce
A) voltage. B) current. C) both of these D) none of the above