Air is made up of different gases, such as oxygen, nitrogen, and carbon dioxide. which statement best describes these three components of air?

a)they are all classified as pure substances.

b)they cannot react with another substance.

c)they are chemically bonded to one another.

d)they can be classified as elements.

While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action

What is the difference between a substance "getting wet" and "being dissolved" in a liquid at the particulate level?