Answer:
Assuming the options found elsewhere, one of the achievements of pre-Columbian (i think you mean Mesoamerican, not "mess") cultures would show that they had intensive architecture, which they sustained through intensive agriculture.
Explanation:
Hoped this helped:)
The answer is: Enforcing anti dicsrimination laws
Responsibilities refers to the things that a person or an organization must do regardless of their preferene. (following the constituiton would be a responsibility to all citizens without any exception)
Distributing federal funding, operates the school, and determining the type of curriculum should be made is what we referred to as 'rights' , not responsibilities.
LK is congruent to LN
LM bisects KML and LMN
The answer is A. Protons.