20. t/f temperatures in the earths interior are above the melting point of rock?

Question

20. t/f temperatures in the earths interior are above the melting point of rock?
21. t/f rocks in the earths crust have more iron than rocks in the earths mantle?
22. t/f the study of earthquake waves helps sceintist learn about the earths core?
41. t/f volcanick rock may float in water?
42. t/f in shield areas the toots of mountains are covered?
43. t/f pillow basalt crytalizes quckly from the inside to the outside of each pillow?
44 t/f thicker lava forms steeper , narrower cones of cinder?
45 t/f igneious rock that is smooth with no seperatly visible crystals hardned slowly?
46 t/f basaltic lava can flow like a river?
47 t/f lava flows seldom occur more than once in any area?
73. t/f sedmintary rocks were laid down in flood plains or a the bottom of water?
74 t/f folden mountains start from flat lying sedimntary rock
75 t/f volcanic mtns are formed from shiels of lava flows or cones of cindes

Explanation / Answer

20)t 21)f 22)t 41)t 42)t 43)f 44)t 45)t 46)t 47)t 73)f 74)t 75)t

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