Answer to Question 1
A person's height partly relies on nutritional status, which depends on a person's food intake relative to the work the person has to perform, whether the person is able to remain warm in cold weather, and the diseases to which the person is exposed. Height, then, can be used as a measure of health and well-being, and therefore a measure of the standard of living.
Answer to Question 2
A trade surplus is a situation when a country exports more than it imports. A trade deficit is a situation when a country imports more than it exports.
Killer Whale - Size comparison to an average human.
This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev
L. Frank Baum, author of The Wonderful Wizard of Oz (1900) and a fan of William Jennings Bryan, perh
For millions of people, the United States represents a land of opportunity and freedom from ...
Trees provide ecosystem services to people
Over time, cells acquire mutations. Two independently acquired mutations in the same cell may be suf