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Wewaii [24]
3 years ago
6

How do we know that some layers of the earth are solid and some are liquid?

Biology
1 answer:
aleksklad [387]3 years ago
4 0
with earth's core being very very hot it is plasma which is lava but it comes closer to the surface and cools down to become a solid.
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the worm and roller steering components are basically the same found in the recirculating ball/ parallelogram system. True/False
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The worm and roller steering components are basically the same found in the recirculating ball/ parallelogram system. This statement is true.

Many vehicles and SUVs currently feature recirculating-ball steering. Compared to a rack-and-pinion system, the linkage that rotates the wheels is slightly different.

A worm gear is part of the recirculating-ball steering system. The gear can be visualized in two sections. A block of metal with a threaded hole makes up the first component. The outside of this block has gear teeth carved into it that engage a gear to move the pitman arm (see diagram above). A threaded rod that fits into the hole in the block and looks like a bolt is how the steering wheel is attached to it. The bolt is turned when the steering wheel does. This bolt is retained fixed so that it won't twist into the block any further, unlike a typical bolt, which would.

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