Which of these is a pair of isotopes? na+ and na cl-35 and cl-37 f and cl o2 and o3?

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

Choose one literary selection from this semester in which you think the setting has a great impact on the work. in a full paragraph name the work, describe the setting, and explain why it is so important to the overall story or poem.

Which part of the mantle is similar to the crust ? (science)