What marks the transition between the Precambrian Eon and Phanerozoic Eon? Question options:

a disappearance of most of the life in the fossil record

an increase in the number and diversity of life in the fossil record

the appearance of land plants in the fossil record

increased meteor impacts

i dont know the answer sorry but if i knew it i would of told you

the anwser is a) to prevent military conflict

the answer to your question is a because laws act as guidelines as to what is accepted in society. without it there would be conflicts between social groups and communities. it serves as a norm of conduct for citizens.