What part of radioactive element is unstable?
a) the electrons
b) the nucleus
c) the orbitals
d) the shell

The use of dna as evidence in criminal investigations became possible because of the

Is citizens were comfortable with their detachment from england and had no interest in going to war

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.