Answer:
In the mid-19 th century, Chinese came to "Gold Mountain," as they called America, to join the "Gold Rush" that began at Sutter’s Mill, Sacramento, California. As the lure of gold diminished, they came simply to work. Initially welcomed, they became a significant part of the labor force that laid the economic foundation of the American West.
Explanation:
Takes about 10 billion years for a star with the mass of the sun to covert all the hydrogen in its core.
10 billion years.
Answer:
All of the above
Explanation:
With growth of cities all of the above can happen.
Answer:
Pollution can affect the environment and humans by The effects of air pollution on a person's health can range from mild breathing difficulties to severe cardiovascular issues, including heart disease and stroke
Hope this helps!
