Nitrogen is made up of two nitrogen atoms. therefore, nitrogen is a

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

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 molar mass of iron(fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?