Which TWO statements describe events that help drive tectonic plate movement A. Energy from the sun heats magma beneath earths surface

B. Convection currents cause hotter magma to rise and cooler magma to sink

C. Thermal energy from earths core is transferred outward to the mantle by conduction

D. Subduction plates cause cooling at convergent boundaries

An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?

Ways that industry and agriculture use physical properties to separate substances