Once it comes to the surface, it is known as lava. Magma is primarily made up of elements like ... As the amount of oxygen and silica in the molten matter is high, it is ideal to classify it into different types depending on its silica content.
What Are Unions? Unions are organizations that negotiate with corporations, businesses and other organizations on behalf of union members. There are trade unions, which represent workers who do a particular type of job, and industrial unions, which represent workers in a particular industry. The American Federation of Labor-Congress of Industrial Organizations (AFL-CIO) is a trade union, while the United Auto Workers (UAW) is an industrial union.
Most trade unions are independent of employers but have close working relationships with them. What trade unions do. Unions train and organise workplace representatives who help union members with the problems they face at work. Reps provide support and advice and campaign for better conditions and pay.