Answer:
The signs would be his fever/high temperature. The symptoms would be his feelings of nausea and migraine.
Explanation:
Where a symptom is subjective, as in apparent only to the patient (for example back pain or fatigue), a sign is any objective evidence of a disease that can be observed by others (for example a skin rash or lump).
Answer:
If a group of living organisms is unable to adapt to changing conditions with the earth's system, it shall face extinction.
Explanation:
As time goes by, the earth's systems keep changing, either negatively or positively.
If the earth's temperature decreases then living organisms shall adapt to surviving in cold conditions, they shall for instance grow heavy fur cover on their skin to cover them from the cold.
Those that fail to adapt to the cold conditions shall face extinction by being overpowered by cold related complications.
