the bid red area surrounds the Rocky mountains and the colorado river. what is the water hardness like in these area?

What are the first three quantum numbers for the electrons located in subshell 2s?

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy

What is formed when amino acids form long chains or polymerize