When mantle rocks near the radioactive core are heated, they become less dense than the cooler, upper mantle rocks. these warmer rocks rise, while the cooler rocks sink. this movement of warmer and cooler mantle rocks creates pockets of circulation within the mantle called which are thought to be the force behind the movement of tectonic plates over the asthenosphere.
a) magma flows
b) density cells
c) convection cells (currents)
d) conduction points
Answers: 1
Chemistry, 22.06.2019 02:30
Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass
Answers: 3
Chemistry, 22.06.2019 05:30
What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?
Answers: 1
Chemistry, 22.06.2019 11:20
Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.
Answers: 2
When mantle rocks near the radioactive core are heated, they become less dense than the cooler, uppe...
Mathematics, 29.11.2019 21:31
History, 29.11.2019 21:31
History, 29.11.2019 21:31
Mathematics, 29.11.2019 21:31
Mathematics, 29.11.2019 21:31
Mathematics, 29.11.2019 21:31
Mathematics, 29.11.2019 21:31
Mathematics, 29.11.2019 21:31
Arts, 29.11.2019 21:31