Answer:
Jane Addams and Theodore Roosevelt
Explanation:
The Progressive Era in the history of the United States of America spanned between 1890s to the 1920s and there were aggressive political and social reforms which helped the nation grow better in the expected direction.
Jane Addams, born in September 6, 1860 was one of the notable Americans, who were the reformers at that time. She helped the nation by placing emphasis on certain issues affecting mothers ranging from the needs of children to public health of the local inhabitants.
Theodore Roosevelt, born in October 1858 was one of the reformers who dominated the political landscape at that time. He was the 26th president of the United States and he worked towards the realization of fairness in the dealings of citizens, the regulation of rail roads and good drugs and foods.
<u>Answer:</u>
Generally it moves from one living organism to another living organism through food.
<u>Explanation:</u>
A food chain typically defines how an ecosystem advances with energy and nutrients. From the start there have been crops supplying the energy, after which it appears to be moving up to the ecosystem's higher-level organisms such as herbivores.
Energy is usually transmitted from one organism of the ecosystem in the basic food chain of the ecosystem in the form of food via another life form of the ecosystem. Therefore, the energy is passed from one life form to the other life form through the food chain.
Civilization, Culture, Trading, And commerce and agriculture.
