How are primary and secondary succession different?

Many state and local authorities are making laws regarding recreation on lakes, rivers, and oceans to reduce water pollution. why would lawmakers need to consult with scientists before making these laws? a) to make scientists feel important b) so that the laws reduce pollution by a sufficient amount c) so that parks and lakefront facilities will still make large profits d) so that the public will believe that the laws are important to follow

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

Acommon kind of mechanical weathering is called