Answer:
speciation, This might be right.
Explanation:
Copper and tin together make bronze.
-Headaches, which may be severe and worsen with activity or in the early morning.
-Seizures. People may experience different types of seizures. Certain drugs can help prevent or control them.
-Personality or memory changes.
-Nausea or vomiting.
-Fatigue.
-Drowsiness.
-Sleep problems.
-Memory problems.