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1. The most abundant element in the universe makes up almost two-thirds of the atoms in the ocean. What is it

(a) oxygen
(b) nitrogen
(c) methane
(d) hydrogen

2. If it is 4 PM at 105 degrees east longitude, what time is it at 60 degrees east longitude

(a) 3 PM
(b) 5 PM
(c) 7 PM
(d) 1 PM

3. When the Earth is directly between the Sun and the Moon it is called a _________ eclipse

(a) Inferior conjunction
(b) Solar
(c) Lunar

41. A reverse fault is the result of ___________ stress

(a) tensional
(b) shear
(c) compressional
(d) torque

4. The epicenter of an earthquake is

(a) at Caltech in Pasadena, where the seismographs are located
(b) the point on the Earth’s surface just above the location where movement on the fault began
(c) always located on the fault where it intersects the surface
(d) the point on the fault’s surface within the Earth where the rupture on the fault began

5. A Great Circle is

(a) a circle of constant compass bearing
(b) a circle whose center coincides with the center of the Earth
(c) the longest distance between two points on the Earth’s surface
(d) always formed by a line which circles the Earth from north to south

please give explanation for each answer