One positive impact of the use of biotechnology in farming has been ….

a reduced use of pesticides.

the growth of crops able to sustain global warming.

a reduced dependence on imported crops.

more family owned farms.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

hello! : )

i think a judge or jury, as they preside over the court and is the central figure in a trial.

hope this and i hope i answered in time!

good luck!

~ destiny ^_^