When the body is given weakened/dead pathogenic material this helps build up an immune system towards the actual live infection. It prepares the body for the infection so that the person does not get sick.
Answer: Saudi Arabia in economy, stands out in oil production, as it houses the largest reserve of this ore in the world, this is the main economic activity. Member of OPEC (Organization of Petroleum Exporting Countries), occupies the position of largest producer among all the members, besides producing natural gas.
Iran's GDP is $ 108.2 billion and most of that is raised from oil exploration, the country is the second largest producer in the region behind Saudi Arabia. In addition, Iran is known for the quality of its carpets and caviar. The Iranian currency is the Iranian rial. 21.1 million people represent the workforce. In agriculture wheat and barley stand out; Industry: textile, food and transport equipment. Fishing also stands out. In Livestock, sheep and goats are raised.
The answer would be C. The disillusionment of people following WW1.
Answer:
Problem and solution
Explanation:
First, he explains the problem, which in this case, is overflowing landfills. Then, he talks about how recycling can fix that problem, which is a solution.