That matrix of black dots on your windshield may seem like an aesthetic add-on, but it actually serves a very important ...
The humerus is the only bone in the upper arm. It connects to the shoulder and elbow joint. The humerus works with muscles to raise and rotate the arm. Fracture or dislocation of the humerus can cause ...
Check and improve your grammar with our upper-intermediate grammar reference guide. On this page you'll find links to our upper-intermediate grammar summary pages. Each upper-intermediate grammar ...
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