<span>cardiovascular
</span>
<span>Cardio exercise is any exercise that raises your heart
rate. And we all know that to
keep our muscles in shape we need move them. This movement makes them
stronger and stronger muscles make for a more efficient and healthy
body.</span>
Answer:
producer; concentrated
Explanation:
Tariff and quotas are trade barriers that governments establish to protect national products. Tariffs are taxes imposed on imports and quotas are a limit on the quantity of a product that can be imported. These barriers are established when the government is willing to protect national producers when they are not able to compete with the low prices on the imported products. Also, the benefits of these restrictions are concentrated on the producers but its disadvantages affect all the consumers who have to buy products at a higher price. According to this, the answer is that tariffs and quotas are often imposed when a government is more responsive to producer interests, and the benefits of those trade restrictions are often concentrated.
The Peloponnesian War weakened the Greek city-states and it divided them. This gave Phillip 11 of Macedon the opportunity to move in and conquer them in their weakened, non-united condition and they were never to get their original strength back again. The Peloponnesian war was very debilitating to the Greek city-states.
Explained
Learned helplessness is a psychological disorder. It occurs when a person feel stressful situation repeatedly. In this situation they believe that they are not able to work and move. So that they do not try to escape or take action against the situation.
The opportunities become changed according to the situation. Martin Saligman explained about learned helplessness. Learned helplessness leads to the psychological disorder such as stress and depression. It is also included mental disorder such as PTSD.
Changes in the earth's climate caused ice sheets to grow and cover most of Canada and some of the northern US almost 15 000 years ago. This is known as the last Ice Age. For the last two million years, the earth has shifted between ice ages and warmer periods. Ice ages are caused by slight changes in the way the earth orbits around the sun. Huge continental glaciers or sheets of ice moved down from the Artic and covered Canada, North America and much of Europe.
