Why does the earth have a nickel-iron core at its center, surrounded by a silicate mantle? a. silicates are less rigid than metal, so the mantle and crust flowed outward to the exterior b. the core formed first from metallic meteoritesc. a metal core occurs at the center of most planetsd. because it is more dense, the core material sank to the center of the earthe. the intense pressure at the center of the earth caused primordial nebular material to transmutate into metal
Answers: 2
Geography, 23.06.2019 14:00
In the von thunen model of agricultural land use, what is produced closest to the city epicenter? a. dairy, vegetables, and fruits b. field crops, such as corn and wheat c. beef and other animal products d. wood and lumber
Answers: 1
Geography, 23.06.2019 20:40
Countries trade with each other because resources are not evenly distributed across the globe. true or false
Answers: 2
Geography, 24.06.2019 21:00
In a topographic map, contour lines that are close together indicates a
Answers: 1
Geography, 25.06.2019 00:30
Which two cities lie west of 30°e longitude? a. catal huyük and tarsus b. smyrna and ephesus c. memphis and thebes d. uruk and ur
Answers: 1
Why does the earth have a nickel-iron core at its center, surrounded by a silicate mantle? a. silic...
Advanced Placement (AP), 28.02.2020 04:35
Mathematics, 28.02.2020 04:35
History, 28.02.2020 04:35
Spanish, 28.02.2020 04:35
Computers and Technology, 28.02.2020 04:35
Social Studies, 28.02.2020 04:35
History, 28.02.2020 04:35
English, 28.02.2020 04:36
Mathematics, 28.02.2020 04:36