Final answer:
Russia spans over two-thirds of the way across the northern part of the Eurasian continent. Constitutional amendments in the U.S. require ratification by three-fourths of the states. A diploid cell has twice the number of chromosomes as a haploid cell.
Step-by-step explanation:
Russia is a massive country that spans a vast portion of the Eurasian continent. When we consider its geographic extent, Russia spans over two-thirds of the way across the northern part of the Eurasian continent. This makes Russia the largest country in the world by land area, showcasing diverse climates and time zones across its territory.
Ratification of Amendments
In the context of constitutional amendments in the United States, to answer the review question provided, three-fourths of the states must ratify an amendment before it becomes law. This means that out of the 50 states, 38 must agree for the amendment to be adopted into the U.S. Constitution.
Chromosomes in Diploid Cells
Addressing another review question regarding biology, a diploid cell has twice the number of chromosomes as a haploid cell. This is because diploid cells contain two complete sets of chromosomes, one from each parent, while haploid cells have only one complete set, which is significant in the context of reproduction and genetic variation.