It is Scandium or Sc
Hope this is what you were looking for
Answer:
B. To change from a liquid state to a solid state is called Freezing
Answer: NO2, NO, and O2.
<span>Free radicals are toxic substances produced by the body. In normal circumstances,the body can neutralize but<span>
when the level of these substances is to much,they accumulate
and can generate diseases,
such as osteoporosis and cancer.</span></span>
