To separate two objects in a mixture, we take advantage of the difference in their properties. For this case, we use their magnetic properties. We can use a magnet to separate the steel pins and the beads since steel pins are attracted to a magnet while the plastic beads are not.
B........................................
Answer:
- command economies
- mixed economy
- central economy
Explanation:
The communist countries have multiple characteristics that define them, and one of those is the command economy. This an economic type in which the government possess every business in the country and controls it, or they might be a very small private sector but it is obligated to serve to the central economy.
The command economy can come in two types. One of them is the centralized type, where the government runs all of the businesses in the country, thus having total control of the economy. The other one is the mixed type, where the government usually has in its control the natural resources of the country, but also allows private businesses to develop.
The Immigration Act of 1990 was passed by Congress in 1990 and signed into law by President George H. W. Bush (R) on November 29, 1990. Its stated purpose was to "change the level, and preference system for admission, of immigrants to the United States, and to provide for administrative naturalization."