The answer to this question is: Invention
The romans civilization was known as the civilization that made the most inventions during that period.
One of their famous inventions is the development of wheels, that allow us to carry several objects that weigh several times heavier compared to our body weight.
The answer is that it shows a network of food chains. Models that have to do with food chains are used to show what certain ecosystems would be like in real life. While using these models, specialists can test different types of real food chains. Certain specialized scientists use the food web models to be able to see the networks of undead organisms that are included in a food chain. Hope I helped!
Answer:
Explanation:
The system of checks and balances is an important part in the constitution which allows each branch of the three branches of the government which are the legislature, the judiciary, and the executive each to limit the powers of the other.This is very helpful because no branch becomes more powerful than the other. This system of checks and balances is primarily applied in the constitutional government.It relates to the president because the president administers the Executive Branch of the government.An example is the Federal government which has the three parts.which are the Executive which comprises of the president and the workers, the legislative which consists of senate and the house of representatives and the Judiciary which consists of the supreme court and the lower court.
I think B, I am not sure.
