Answer:
Freshwater, Ocean Water, and Terrestrial.
Explanation:
These are the broadest 'three types of ecosystems' that come to mind.
Answer:
lived in the Andes Mountains, economy based on agriculture and built an extensive empire
Explanation:
C, an enormous road building project
snow storms are most common in a continental climate
Answer:
Crinoids.
Explanation:
These are segments of crinoids.
