Consider the differences between the country with the highest number of immigrants and the country with the lowest number of immigrants. Explain why the top country has such a high number of immigrants to the United States.

Push and Pull Factors.

Explanation:

The country with the the least amount of immigrants has the post push factors and the least pull factors where the country with the most immigrants has the least push factors and the most pull factors.

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.

answer; size, shape, color and status;