Answer:
It can reduce brain injuries.
Explanation:
This rule of wearing helmet is a good initiative taken by the commissioner of the national football league. these helmets reduce the risk of concussions because these helmets are made of good materials and able to protect the head of the players from brain injury. So avoid such type of injuries, the helmet should be used by the player which can absorb all the energy and protect the head of the player.
Explanation:
France, Germany, Italy and the United Kingdom have been referred to as the "Big Four of Europe
Depends on the size of the county
Answer: Firms are primarily sellers in the goods and services market and buyers in the labor market.
Explanation: The goods and services are dispensed by the firms in order to make the potential customers pay the fixed prices and buy them. This activity of the firms categorizes them as 'sellers' in the goods and services market. On the other hand, in the labor market, the firms pay a fixed price for the labor to carry out the activities of manufacturing and selling. Hence, in the labor market, firms are categorized as 'buyers'.