25. The oarfish is very rarely and probably lives in upper or intermediate layers of the ocean.(A) rarely
(B) probably
(C) or
(D) layers

26. The formation and development Mercury's large iron core is that primarily distinguishes the evolution of Mercury from that of the Moon.
(A) large
(B) that
(C) evolution
(D) of

27. In the nineteenth century, moving from crowded Britain to relatively sparsely populated North America were seen by many British as an act of partiotism.
(A) crowded
(B) relatively sparsely
(C) were
(D) an act

28. For thousands of years, powerful rulers collected exetic animal muse l themselves, to display nature's work and impresif foreign visitors.
(A) for
(B) rulers
(C) themselves
(D) impresif

29. Dryland farming is system or method of crop production in of scarce rainfall such as the North American Plains.
(A) is system
(B) crop production
(C) scarce rainfall
(D) such as

30. The Hubble Space Telescope was built to send data from space or Earth via radio waves.
(A) was built
(B) from
(C)
(D) waves

31. Today, Acoma, New Mexico, is the oldest inhabited continuously town in the United States; people have dwelt there since about 1150.
(A) Today
(B) inhabited continuously
(C) have dwelt
(D) since about

32. Table salt occurs as a cube-shaped crystal that, depending of its purity, may be colorless, transparent, or translucent.
(A) as
(B) that
(C) of
(D) or​​