What are the causes of environmental problems in sub-saharan africa? select all that apply.

decreased population
deforestation
development
increased population
organic farming
tourism

Where is the world’s shortest commercial runway?

Which barrier to economic development is shown in the following examples?

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation