Panama has highly developed urban areas and dense tropical jungles located close together
Fish reproduce to quickly
Low dissolved oxygen concentrations that occur in many bodies of water when nutrients stimulate the growth of algae that subsequently die and are decomposed by oxygen-using bacteria.
I believe the answer is C! The opposite sides are parallel
The development of the calander shows they can divde the number of minutes hours days month etc in a year. Development of the pyramids shows geometry and engineering. look up to make sure.
