B, because cellular respiration needs oxygen for the first stage.<span />
The correct answer is bilateral (D).
<em>A bilateral system</em> means a government with two legislative houses.The federal government in the USA uses the bilateral system and so do all the states with the exception of Nebraska. The bicameral system in the U.S consists of: The House of Representatives and the Senate. Each house has different requirements to serve and each house has unique powers.
The correct answer is checks, balances (C).
<em>Checks and balances </em>are a tool used in a political system to decrease the risk of centralization of power. They ensure that no one person or department has an absolute control over decisions. Checks and balances create separation of powers. In the U. S. checks and balances are exercised through its three branches of government: the legislative, the executive and the judicial. Each branch has special abilities. The legislative branch makes the laws but the executive branch gives the veto power to the president to veto these laws if necessary. The judicial branch may deem certain laws unconstitutional thus making them void.
North America is a continent entirely within the Northern Hemisphere and almost all within the Western Hemisphere; it is also considered by some to be a northern subcontinent of the Americas
President Ronald Reagan's policies had a positive effect on the country overall. He had a plan for the country's economy that included cutting taxes, deregulation, and reducing the size of government. Because of his policies, he was able to be re-elected and help America improve further.
The limits of liberty: the legacy of the American Revolution. Women could not vote, nor could half a million slaves or over a hundred thousand Native Americans. Slavery and racial segregation remained a political and cultural fault line
