Which is not a branch of natural science: biology, chemistry, physics, psychology?

Which type of force holds galaxies together?

What is the density of a salt solution if 50.0 ml has a mass of 57.0 g?

What do an electron and a neutron have in common? O Each particle has a mass of 1 amu. Each particle exists inside an atom. O Each particle has an electrical charge. O Each particle is located in the nucleus.

What is physical therapy?

An engineer wishes to design a hydraulic system that will transmit pressure of 10,000 pascals using a force of 15 newton's how are large an area should the input piston have

What is a magnetic field and how does it interact with magnetic materials?

What is significant about holden sitting on the radiator?

Which of the following occurs in meiosis that does not occur in mitosis 1 fertilization occur 2 body cells are made 3 sex cells are made 4 cell division occurs

A hot air balloon is hovering in the air when it drops a 40 Kg food package to some lost golfers. If the package is dropped from an altitude of 500 m and air resistance can be neglected, how fast is the package moving when it hits the ground?

you often hear people particularly TV announcers talk about "high rate of speed" what do you think they mean according to the specifics of physics definitions what are they really saying