<h2>A: A</h2><h3 />
Por cierto means "by the way".
But with the options we have here, I would say <em>by certain</em>.
NO TRANSLATOR | FLUENT SPEAKER | BILINGUAL
Good Luck!
Explanation:
GOLD
"Unique" characteristic: gold is classified as a noble and heavy metal; in trade it is the most common of the precious metals.
Importance Au: Gold is not an essential element for any living being. However, it is used in medicine (chrysotherapy uses gold as a healing element), where gold (I) thiolates are used as anti-inflammatory drugs in the treatment of rheumatoid arthritis and other rheumatic diseases.
ZINC
Unique feature: Zinc is a bluish-white metal that conducts electricity.
Importance: participates in the division and growth of cells, as well as in wound healing and carbohydrate metabolism.
*you will have to look for the photo of each mineral :)*
During the war in Vietnam, the main opponents of the United States were the Viet Cong and the North Vietnamese Army.
Es bastante fácil, solo puedes buscarlo en Google. Mi idioma principal es el inglés y no tengo ganas de escribir un montón de español, ¡lo siento!
