(Please help me this needs to be done ASAP )

Which statement about the atom is true?

A: most of the atoms volume is in the nucleus

B: most of the atoms volume is in its proton(s)

C: most of the atoms mass is found in its electrons

D: most of the atoms volume is empty space

Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay

Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.

Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly