The Federal Government of the United States (U.S. Federal Government) is the national government of the United States, a constitutional republic in North America, composed of 50 states, one district, Washington, D.C. (the nation's capital), and several territories. The federal government is composed of three distinct branches: legislative, executive, and judicial, whose powers are vested by the U.S. Constitution in the Congress, the president, and the federal courts, respectively. The powers and duties of these branches are further defined by acts of Congress, including the creation of executive departments and courts inferior to the Supreme Court.
Answer:
Environmental instability may have been a factor not only in shaping adaptations but also in contributing to the extinction of some lineages. Environmental variability associated with the extinction of large mammal species has been proposed for the southern Kenya region.
Answer:
United States Supreme Court case in which:
Explanation:
The Court upheld the power of state governments to regulate private industries that affect the common good.
It upheld state regulation of grain elevator prices.
Illinois regulated grain warehouse and elevator rates by establishing maximum rates for their use.
Southern Tundra is not a major physical feature of South America.
Answer: Option D
<u>Explanation:</u>
The main physical geographic feature of South America consists of mountains and highlands, coastal plains and river basins. Patagonian Plateau, Andes Mountains, and Brazilian Highlands come under the mountains and highlands category.
Tundra is a region that is found between ice-covered poles and coniferous forests in the northern hemisphere. Since it is covered with ice so coastal Antarctica also considered as the tundra region. Tundra literally gives meaning as treeless land. Also, in the winter season is not suitable for all species, only a few plants and animals can survive here.
It is thought that the first evidence of an animal walking upright would be one of the earliest humans: Sahelanthropus. Upright movement probably helped them gain the advantage of added vision in a hash environment.
