Which led to population growth during the Industrial Revolution?

fewer wars
the domestication of animals
less pollution
the germ theory of disease




18. The negative effects of tilling include _____.

improved crop production
reduced need for energy input
reduced soil drainage
increased soil erosion




19. A dramatic decline in the population of Europe in the 1300s was caused by the _____.

Thirty Years’ War
bubonic plague
cholera outbreak
potato famine




20. The low population-density of hunter-gather societies allows the environments to _____.

deteriorate
expand
regenerate
change




21. Quinoa is a _____.

historical plant native to Asia
type of cover crop
type of wheat
historical food of the Incas




22. A negative side effect of the mechanization of farming is _____.

increased food production
expansion of arable land
increased fuel costs
expansion of family farms




23. The germ theory of disease established that many diseases are caused by _____.

microorganisms
water
poor nutrition
overpopulation




24. Early human populations were controlled by all of these factors except _____.

food availability
predation
pollution
disease




25. The bubonic plague of the fourteenth century reduced England’s human population by _____.

one-fourth
one-tenth
one-third
one-half