Which statement describes an atomic nucleus?
an atomic nucleus is negatively charged.
an atomic nucleus has no electrical charge.
an atomic nucleus consists of mostly empty space.
an atomic nucleus contains most of the atom’s mass.

What effect has the drug trade had on some governments in middle and south america? a. it has funded political instability. b. many nations have created democratic governments. c. many governments have allowed the drug trade to fund local programs. d. it has funded political stability.