Question

please answer all 14 questions

Question 54 • The asthenosphere is NOT defined as • A. solid •B. plastic .C. mobile .D. clastic Question 55 Compaction is a necessary step in the formation of sedimentary rock is also needed to hold the complacted grains together. A lithification .B. cementation .C. heating .D. metamorphism Question 56 The most common igneous rock which is comparatively light in color and density is A basalt B. obsidian C. gabbro D granite Question 57 • Evidence that does not support scafloor spreading is • A. carthquakes occurring along crest of Mid-Atlantic ridge. •B. presence of rift along crest of Mid-Atlantic ridge. .C. younger sediments near the continents. .D. discovery of identical magnetic patterns in rocks on both sides of the ridge

Answer 1

54.) The asthenosphere is not defined as rigid or Solid,

As, Asthenosphere is the highly viscous, mechanically weak and ductilely deforming region of the upper mantle of the Earth.

55.) Cementing

56.) Granite

57.) D.

58.)Sedimentary rocks are formed on or near the Earth's surface

59.)The weathering of rock to produce sediments (small fragments of rock or dissolved ions).

Sediments

60.) Biological sediments

61.)High temperature

62.)A and C are correct

63.)Copper

64.)About 99% of the total atmospheric mass is concentrated in the first 20 miles (32 km) above Earth's surface.

65.)21 percent oxygen

66.)Water cycle

67.) Barometer