Mercury orbits the sun at more than four times the speed of Saturn

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.