Answer:
Nelson Mandela was the first black president
Explanation:
Answer:
Alcohol is the liquid which harms people health. Using of alcohol daily is not good. Alcohol has both merits and demerits. Merits, it is used for preparing medicine, cosmetic items etc. Using of alcohol daily may cause different disease, it may harm in economic condition, it causes family problem etc. Use alcohol in right place don't misuse it.
I would say the answer is A. Dimitri made the modern periodic table, not chemical symbols, and generally compounds do not have the same properties, for example water which is made of 2 gases.
