Metal alloys are materials used for building strong, sturdy structures; however, exposure to outside elements over time can weaken then. Explain what happens and how this happens.

Balance this equation: n2 + h2 > nh3, write the following molar ratios: n2 / n2 / nh3 h2 /

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

The minerals found in bones are deposited by living cells called