In order to obtain 25 g of copper metal, how many grams of hydrogen gas must react?

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

Modern weaponry has increased the number of deaths in wars and violent conflicts.

In salt water solution,the salt is the blank