Scientists<span> can tell by observing the seismic waves that are recorded all over the surface of the </span>earth<span> from distant earthquakes. The seismic waves are reflected (bounced off) </span>layers<span> of different density, and they are refracted (bent) when they enter </span>layers<span> of different density.</span>
The correct answer is - 45 percent.
Since the clock produces 45 useful unites energy units for every 100 unites of energy that it uses, than it turns out that the efficiency of the clock is 45 percent.
I believe is b. Yw :))))))))))
The Amazon River is the world's longest river, measuring 6 992 km.
In the absence of any forces, no force is required to keep an object moving. ... Skipping Newton's second law (arguably the most important law for our purposes ) for ... mean that the movements are equal (or that the objects will stop moving). .... However, if we had forgotten to reset acceleration to zero, the gust of wind would ...
