Scientists estimate that we add __________ people to the Earth's ...

[vinney12]

Scientists estimate that we add __________ people to the Earth's population about every 13 years.
 
  a. 1 billion
  b. 5 million
  c. 25 million
  d. 200,000
  e. 2 billion

Question 2

Why does xenophobia often accompany migrants?
 
  What will be an ideal response?

[alvinum]

Answer to Question 1

a

Answer to Question 2

In general, they compete for scarce resources, pose a threat to security, and are different from those around them.

[vinney12]

YES! Correct, THANKS for helping me on my review

[nanny]

Thanks for the timely response, appreciate it