Author Question: Immigrants who maintain ties to their native countries A) reflect a brain drain of their native ... (Read 60 times)

arivle123 · **on:** Jul 16, 2018

Immigrants who maintain ties to their native countries

A) reflect a brain drain of their native economies.
B) send much of their money home as remittances.
C) typically provide little support to their native countries, struggling instead to support themselves.
D) often rely upon resources from their native homes just to survive.

Question 2

Biogas is mostly produced in landfills

A) by the anaerobic decomposition of organic materials.
B) by the release of compressed gases from aerosol containers.
C) by the evaporation of the liquids draining from the buried waste.
D) when solid materials melt into fluids and evaporate.