I think the answer you may be looking for is "People left written records".
Hope this helped!
D
<span>Why did the development of the time zones make train schedules more reliable
A) time zones set the entire country to the same time
B) Time zones measured time locally instead of country-wide
C) Time zones made sure that each state was in only one zone
D) Time zones created a standard of time that all trains follow
D</span>
The United States Constitution is a kludge to manage the way that 13 distinct provinces would not like to surrender their sway however the Articles of Confederation had been a flounder. It's a bargain acquired by need.
It is by all accounts well known nowadays to give a great deal of credit to the Iroquois, however it's not as though they developed the government structure; it has existed in Switzerland for a considerable length of time.
Answer:
Limits food, medicine production
As the world's population continues to grow, competition for land and water resources to produce food, energy and housing is fierce. We need a wide variety of animal and plant life for adequate human nutrition so that populations are neither malnourished nor obese.
Explanation:
I think the answer to this one is A.
