Most of the dark regions on Mars visible from Earth are:
A) features like the Valles Marineris.
B) lava flows from active volcanoes.
C) mountainous regions.
D) the seasonal growth of vegetation on the planet.
E) volcanic planes like the lunar maria.
E
You might also like to view...
Weight and g: From what height above the surface of the earth should an object be dropped to initially experience an acceleration of 0.54g? (G = 6.67 × 10-11 N ? m2/kg2, Mearth = 5.97 × 1024 kg, Rearth = 6.38 × 106 m)
A. 2300 km B. 1700 km C. 5400 km D. 2900 km
Why are things torn apart when they near a back hole?
A: The part of the object closer to the black hole feels a greater force B: Space itself is stretched around a black hole C: Black holes are after all cosmic vacuum cleaners D: The spin of a black hole causes objects to twirl around and stretch E: All the atoms in the object start acting as magnets and repel each other
Determine the charge stored by C1 when C1 = 20 ?F, C2 = 10 ?F, C3 = 30 ?F, and V0 = 18 V.
A. 0.37 mC B. 0.24 mC C. 0.32 mC D. 0.40 mC E. 0.50 mC
A point charge (5.0 pC) is located at the center of a spherical surface (radius = 2.0 cm), and a charge of 3.0 pC is spread uniformly upon this surface. Determine the magnitude of the electric field 1.0 cm from the point charge.
A. 0.72 kN/C B. 0.45 kN/C C. 0.63 kN/C D. 0.90 kN/C E. 0.18 kN/C