Which statement best describes rutherford's model of the atom?

a - it is like an avocado with the pit representing the nucleus.
b - it is like a aquarium with swimming fish representing positive charges.
c - it is like a fried egg with the yolk representing the nucleus.
d - it is like a huge stadium with positively charged marble at the center.

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.