The law of universal gravitation states that any two objects in the universe that have mass, without exception,

a. attract each other
b. repeal each other
c. combine to provide a balanced force
d. create friction

Select the atomic models that belong to the same element

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles