Answer:
I would not call this an emergency. it seems like a second degree burn which can be treated with aloe Vera and antiseptic spray.
Light, carbon dioxide, temperature
Answer:
the virus undergoes genetic changes
<span>The fluid-filled gap is called a body cavity. There are multiple body cavities in the human body, of which include the Cranial cavity, Dorsal cavity, spinal cavity, pelvic cavity, abdominopelvic cavity, abdominal cavity, ventral cavity, and thoracic cavity. The digestive organs are protected by the abdominopelvic cavity.</span>
An atom of carbon is called an isotope, and an atom of hydrogen i hydrogen, but BOTH TOGETHER is oxygen! =D
I hope I helped! =D