Which of the following geographical conditions led european nations to colonize africa?

a.
africa's dry climate and deserts.

b.
the dense soil in africa's rainforests.

c.
the quantity of natural resources in africa.

d.
africa's lack of water sources.

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.  

answer; adoption agencies tend to place separated twins in similar homes;