What was the ecomienda system?
a. a system in which spanish monarchs shared with native americans the right to demand labor from peons and africans
b. the spanish conquistadors granted native americans the right to demand labor from peons
c. monarchs granted the conquistadors the right to demand labor from the native americans
d, settlers granted the conquistadors the right to demand labor from native americans

Which sentence best explains how steam power changed agriculture in england between 1810 and 1850? a. farmers started using steam-powered machines to spray chemical fertilizers and pesticides. b. livestock farmers began using steam-powered machines to milk cattle and shear sheep. c. steam-powered railways transport and sell agricultural produce far from where it was grown. d. steamships to transport large numbers of people from the united states to english farms.

Asupporter of the bolsheviks would most likely agree with which statement?

Some organisms have a large geographic range. for example, the norway rat lives on every continent except antarctica. a population of norway rats is the number of rats in one particular area. do you think it’s scientifically possible for a population of norway rats in north america to carry different genetic mutations than a population of norway rats in africa? do you think it’s possible that they carry some of the same mutations? what types of information can scientists learn by studying the genomes of these two populations of rats?