The people of eastern Asia's main food source is rice. This means they are reliant on it, for not only businesses such as restaurants, but also at home. Poor families rely on rice as their main food because it is more filling and in abundance. If the price of rice goes up it causes a huge influx in costs for living and it affects everyone.
Canada and Mexico’s importance to the United States is more than simply a border-state phenomenon. The trading relationship between United States and Canada represents the largest bilateral flow of income, goods, and services in the world. Meanwhile, Mexico is the United States’ second largest trading partner. Between NAFTA coming into effect and 2003, two-way trade between Canada and Mexico more than doubled.
The temporary visa category created for Mexican and Canadian NAFTA Professional Workers enabled 92,951 Canadians and 2,571 Mexicans to enter the United States on visas in 2001. In 2002, Mexico was the country of origin of the largest number of legal immigrant admissions to the U.S, and Mexicans represented about 29.8 percent of the total foreign-born population. In comparison, Canadian immigrant admissions were only 1.8 percent of total legal admissions.
Answer:
A. Used to find extraterrestrial life, size and area of a planet / star.
Explanation:
Drake equation is the probability argument used to estimate the number of active, extraterritorial civilizations in a milky way or number of communicating civilizations in the cosmos or more simply put, the odds of finding intelligent life in the universe.
Life existing on earth is due to the habitable zone.The region on the solar system where the temperature is in this range, is called the habitable zone. if a planet is too far away, the atmosphere will be cold and dry, and Carbon levels will remain high to the point that they would be toxic to Earth animals.