ULELJILI VOLUCIUPE ULVULCI After observing the object in the picture, what physical properties best describe the object? (1 point) © mphillips007 / iStock 2018 O Oval, soft, white, gray, and rough Round, white, gray, smooth, and soft OSmooth, rough, white, gray, and rectangular White, gray, hard, smooth, and oval

r=rho l/a where a is the area, l is the length and rho is resistivity so the greater the area the lesser the resistance thats why the earth pin is thicker bcos current follow the shortest path, so less resistive .

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19

it's a b and