If the current in each wire is the same, which wire produces the strongest magnetic field? a wire that is 1 mm thick and not coiled
a wire that is 2 mm thick and not coiled
a 1-mm-thick coiled wire with ten loops
a 2-mm-thick coiled wire with two loops

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.

What is the tallest mountain range in south america? a guiana highlands b the patagonia mountians c the andes mountians d brazilian mountains

Which of the following is not one of the five informal ways to amend the constitution? oa) state legislation ob) presidential actions oc) supreme court decisions od) political party activities