subject
Chemistry, 14.12.2020 18:10 swaggg7108

Which of the following provides the best explanation as to why convection currents in the mantle cause tectonic plate movement? A.
Warm, more dense molten material rises while cool, less dense material sinks creating convection currents which cause the tectonic plates to move.

B.
Cool, less dense molten material rises while warm, more dense material sinks creating convection currents which cause the tectonic plates to move.

C.
Cool, more dense molten material rises while warm, less dense material sinks creating convection currents which cause the tectonic plates to move.

D.
Warm, less dense molten material rises while cool, more dense material sinks creating convection currents which cause the tectonic plates to move.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 07:30
The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.
Answers: 2
question
Chemistry, 22.06.2019 23:30
To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.
Answers: 1
question
Chemistry, 23.06.2019 05:10
In in , is to a 28.4-g (1-oz)−23.0 °c to −1.0 °c?
Answers: 3
question
Chemistry, 23.06.2019 18:30
The graph shows one consequence of urban sprawl
Answers: 1
You know the right answer?
Which of the following provides the best explanation as to why convection currents in the mantle cau...
Questions
question
Mathematics, 11.02.2020 20:02
question
Mathematics, 11.02.2020 20:03
Questions on the website: 13722363