38-45 please Strike -slip faults: have mainly horizontal movement have mainly ve

Question

38-45 please Strike -slip faults: have mainly horizontal movement have mainly vertical movement are low angle reverse faults are faults where no movement has yet occurred Radial walls extending outward from a volcano are sills dikes plugs batholiths The process in which small particles are moved along by streamflow or wind in a series of jumps or bounces is: saltation traction meandering turbulence This is the best definition of "composite cone": the smallest kind of volcano, a heap of pyroclastics mantle plume alternating layers of pyroclastics and lava flows, relatively large, may form mountain ranges like the Andes a flat-shaped volcano, made of basaltic magma, with relatively quiet eruptions The most prominent of all depositional landscapes is the oxbow lake meander scar floodplain backswamps This is the largest river in the world without a delta. Mississippi Nile Amazon Indus An igneous rock: forms from existing rock that has been reduced in size to particles or into ions in water forms from the cooling of molten rock or magma, either inside Earth or on Earth's surface forms from an existing rock exposed to great pressure inside Earth, without melting underground water is a weak acid. sulfuric tannic nitric carbonic

Explanation / Answer

38. Strike-slip faults have mainly horizonatal movement as the minimum and maximum stresses are acting horizontly whereas the intermediate stress is vertical to the plane. Therefore, option "a" is correct.

39. Dike is a sheet like igneous body that is often cut across layers of rocks. Dikes often form as either radial or concentric swarms around volcanic necks.  Therefore, option "b" is correct.

40. The process by which particles are transported by wind or water in the manner of leaps and bounces is known as saltation. Therefore, option "a" is correct.

41. Composite cones are typically steep-sided, symmetrical cones of large dimension built of alternating layers of lava flows and fragmental material. Therefore, option "c" is correct.

42. The floodplains are depositional feature usually associated with meandering rivers. This depositional feature formed on the sides of a river channel that consist of fine grained materials like silt and clay, deposited mainly during the time of floods. Therefore, option "c" is correct.

43. Amazon is the longest river in the world which has no delta because it has been considered that Atlantic Ocean has sufficient wave and tidal energy to carry most of the Amazon River’s sediments out to sea. Thus the Amazon River does not form a true delta. Therefore, option "c" is correct.

44. The rock which is formed by the consolidation of the hot molten materials or magma known as the igneous rock. It is categorize into three forms i.e. plutonic, hypabyssal and volcanic on the basis of mode of formation. The rock which form inside the earth, at intermediate depth and at the earth surface are called as plutonic, hypabyssal and volcanic rocks, respectively. Therefore, option "b" is correct.

45. Underground water is a weak carbonic acid because it has been considered that some of the CO2 present in the environment reacts with the water to form the weak acid i.e. carbonic acid (H2CO3). Therefore, option "d" is correct.

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