pls help!

Which is an effect of deforestation?

A.
soil erosion

B.
air pollution

C.
water pollution

D.
earthquakes

Which of the following is a reason so many people have migrated from Middle America to other regions?

A.
They dislike the region's climate.

B.
They want to gain an education.

C.
They hope to escape poverty.

D.
They want to live under a democratic government.

How is Cuba's government different from that of the Dominican Republic?

A.
Cuba is a communist dictatorship; the Dominican Republic is a democracy.

B.
Cuba has a stable government; the Dominican Republic has an unstable government.

C.
Cuba has a democracy; the Dominican Republic has a monarchy.

D.
Cuba is independent; the Dominican Republic is ruled by a European country.

What are the two cultural backgrounds of a majority of Mexicans?

A.
Mexican Indian and African

B.
Native American and British

C.
Spanish and British

D.
Spanish and Mexican Indian

How has Mexico’s population changed in recent decades?

A.
Due to migration, the population has decreased.

B.
More people have moved from the highlands to the coasts.

C.
The bulk of the population has shifted from rural to urban.

D.
Protestants now outnumber Catholics in most parts of Mexico.

Which of the following is an example of an infrastructure problem in Mexico City?

A.
urban overcrowding

B.
insufficient transportation systems

C.
income inequality

D.
air pollution from vehicle emissions

What is one reason that free-trade agreements are beneficial for Central American countries?

A.
They create more technology jobs.

B.
They take away barriers to trading with other nations.

C.
They provide transportation agreements with other nations.

D.
They lead to farmers selling more food at higher profits.

if i don't get this i am going to fail!

1. A. soil erosion is an effect of deforestation.

2. C. Escaping poverty is a reason why many people have migrated from Middle America to other regions.
3. A. Cuba is a communist dictatorship while the Dominican Republic is a democracy.
4. D. Spanish and Mexican Indian are the two cultural backgrounds of a majority of Mexicans.
5. C. The bulk of Mexico's population has shifted from rural to urban in recent decades.
6. B. Insufficient transportation systems are an example of an infrastructure problem in Mexico City.
7. D. Free-trade agreements lead to farmers selling more food at higher profits, making it beneficial for Central American countries.