The correct answer is <span>A. Electric lights made it possible for factories to run after dark.
The conditions were still dreadful and it didn't reduce accidents. It only made it possible for factories to run after dark which made conditions even worse since people started working for over 12 hours a day in order to keep their jobs since they were easily replaceable in the factories because the jobs were mostly low skilled jobs.</span>
American colonial settlement could expand westward
By stating that his people never sold our country, he is really saying that our country was wrongfully stolen from his people.
"We the people of the United States" is the one among the following that phrase does not <span>appear in the Declaration of Independence. It actually appears in the preamble to the Constitution of the United States of America. The correct option among all the options that are given in the question is the last option or option "D". </span>
Answer:
This type of ecosystem has different plants such as grasses, juncales, grasses or grass constitute the dominant vegetation. Although in the grasslands of the temperate regions and there may be more than 50 species of vascular plants and in the tropical grasslands more than 200, in general, two or three species of grasses are those that dominate more than 60% of the biomass of the land; Here live large herbivores and birds, in addition to a large amount of flora.
Prairie fauna plays a fundamental role in preserving the natural balance, essential for the food chain. Numerous species of animals excavating the prairies, by removing the soil, modify the mineral postresal content of this and enable the growth of plant species. Under the earth, worms and other invertebrates act that also oxygenate the soil, along with millions of bacteria that break down organic waste.
Explanation:
