True
<span>Dentists are doctors that specialize in teeth and jaw alignment. They are also doctors but their only focus is in the oral cavity. They could also perform surgeries and anesthesia in patients and are probably one of the most lucrative types of professions in society. If you want to have procedures done with your teeth you should consult with a dentist and ask for possible solutions as to how you can improve your oral cavity. Aside from the teeth they are also concerned with the proper alignment of the jaws.</span>
This jet stream—the one that forms at the polar front—affects weather in the United States. ... This shift occurs because the entire hemisphere is cooler, so the boundary between the cold polar air and the warm southern air shifts south. As a result, the jet stream shifts toward the south in winter.
The correct answer is B combustion.
Lavoisier’s oxygen theory of combustion was one of his most notable contribution to science and earned him the title of the “father of modern chemistry”. He recognized the combustible property of oxygen and that phosphorus and other metallic elements increased in terms of weight when burned.
