The theory
of a land bridge between South America and Africa as an explanation for similar
fossils on the two continents is not supported today because there are
no remnants of the bridge in the Atlantic Ocean.
<span>A </span>land
bridge, in biogeography<span>, is an </span>isthmus<span> or wider land connection between otherwise separate areas, over which
</span>animals<span> <span>and </span></span>plants<span> <span>are able to cross and </span></span>colonize<span> <span>new lands. A land bridge can be created by </span></span>marine regression<span>, in which </span>sea
levels<span> <span>fall, exposing shallow, previously submerged sections of </span></span>continental shelf<span>; or when new land is created by </span>plate tectonics<span>; or occasionally when the sea floor rises due to </span>post-glacial rebound<span> <span>after an </span></span>ice
age.
The correct answer between all
the choices given is the first choice or letter A. I am hoping that this answer
has satisfied your query and it will be able to help you in your endeavor, and
if you would like, feel free to ask another question.
Answer:
B. Demographic transition refers to a shift in death rates followed by a shift in birthrates, and its associated population boom.
C. Most developing nations are going through a demographic transition today.
Explanation:
- Demographic transition is a model that describes the changes that take place with the advancement of technology and the large scale control of death rates and the spread of diseases, and the development of the population boom in various countries.
- The developing countries like India are still going through stage three pf the demographic transition. Thus shows a marked increase in population and is set to surpass China in the coming years.
There are still many remnants of Mexico's pre-Columbian Indian heritage today. Many people have descent from the indigenous tribes who lived in modern-day Mexico before the Spanish Conquistadors arrived. There was lots of mixing between the Spanish and the indigenous. Although some Mexicans still practice their tribal religion, most have converted to Christianity, but implement indigenous traditional folkloric culture such as clothing and into their daily lives. Statues and monuments still remain in Mexico, reminding people of the way the indigenous used to live. Remnants of some indigenous words have been completely accepted into Spanish vocabulary and legends and stories are still passed down from parents to children.
The historical circumstances began when Chinese intellectuals and political leaders ask themselves question in regards to how China is to view itself.
<h3>What is the historical circumstances about?</h3>
The Chinese were said to have made a lot of effort to be more modernize but they were said to have failed.
The presence of the communist party was one that gave rise to economic and political changes.
Note also that the effect of the World War II and the Civil War in the Japanese imperialism was said to have given China an advantage economically and also made them politically vulnerable.
Note also that China depended on agriculture and because of the Cold War, they still carried on their communist policies.
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Answer:
fish, lumber,forest products, diamonds,wheat,tobacco
