Both flasks contain mercury to a height h. the volume of mercury in the second flask is three times the volume of mercury in the first flask. the area at the bottom of the second flask is twice that of the first flask. pressure p1 is the pressure at the bottom of the first flask, and p2 is the pressure at the bottom of the second flask. which relation is true?

Which material burns faster? metal aluminum

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.