Answer:
A, They mapped the land and reached the Pacific Ocean, helping the US set claim.
Add-on:
I hope this helped at all. I'm sorry if its incorrect.
Explanation:
Ecosystems exist at a range of scales and involve the interaction between biotic and abiotic components. An example of a small scale UK ecosystem to illustrate the concept of interrelationships within a natural system, an understanding of producers, consumers, decomposers, food chain, food web and nutrient cycling.
The North Celestial Pole is the point in the sky about which all the stars seen from the Northern Hemisphere rotate.
The Parthenon had a total of 69 columns. There were 46 outer columns and 23 inner columns.
Most plants live in the Epipalegic zone so your answer would be A
