You are researching whether life could have ever existed on mars. what would be the best choice for scientifically reliable information?

Connect the whole numbers on the periodic table to indicate what they represent?

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.

What are the two basic types of satellites