Two nuclei have mass number in the ratio of 2:5 what is the ratio of their number densities

What is depth perception?

Which statement best describes the difference between an insulator and a coductor

What is the length of the average sunspot cycle?

Which element is a shiny element that conducts heat and electricity

Which is a sub-atomic particle? A) compound B) electron C) isotope D) neuron

There is a flashing yellow light at the intersection you are approaching. What does the flashing yellow light indicate, and what should you do to safely navigate this intersection?

Rachel is making cookies. She pours 1/2 cup of oil into a bowl, followed by 1 cup of water. The oil rises to the surface of the bowl. Why?

Fluids can flow and change shape to fit their containers. Which two states are fluids?

Is jacob barnes a turd face?

A system absorbs 12 j of heat from the surroundings; meanwhile, 28 j of work is done by the system. what is the change of the internal energy δeth of the system?'