What type of mixture is fog? O A. A homogenous mixture of a solid in a gas
B. A heterogeneous mixture of a liquid in a gas
C. A homogenous mixture of a liquid in a gas
D. A heterogeneous mixture of a solid in a gas

. A homogeneous mixture of a solid in a gas

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.