The answer is D because when a scientist publishes a book it helps other scientists and other scientists can help the scientists that publish the book.
I think the correct answer among the choices presented above is option A. An ore is rock that contains a mineral or metal with economic usefulness. Examples are copper ore, gold ore and iron ore. These ores are being extracted from the Earth by mining.
A chemical formula<span> tells us the number of atoms of each element in a compound. It </span>contains<span> the symbols of the atoms of the elements present in the compound.</span>
Answer: Scientists make designs based on engineering knowledge and
then make it available for public use.
Answer:
ionic bonds in the solute are broken and new ion-dipose forces in the solution are formed
Explanation: