Answer:
Emperor Qin Shi Huangdi was an effective leader because he helped form China. He was the first Emperor of China, and helped form it into the country it is today. He built many new things to help China improve throughout his reign. He did many good and bad things, but was a very effective leader.
Explanation:
Answer: The political power of public school K-12 teachers' unions in the U.S.A provides one example of how "America's educational system is in crisis" .
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Answer:
D. the most desirable alternative given up as the result of a decision
Explanation:
Opportunity cost is the cost that that will be incurred as a result picking the desirable alternative out of the best possible alternatives.
<span>The power given to national government through constitution
is called Delegated Power, or Enumerated Power. These are the powers granted to
federal government in section 8, Article I of the constitution. According to
these issuing currency, commerce regulations, war declaration, armed forces maintenance
and some powers related to Post Office are the jurisdiction of national
government. </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:
