Conclusions made by todays scientist should be: a. accepted because these scientist are using the latest tools b. accepted because these scientist are us learn about the world .c supported by evidence including facts and observations .d compared with conclusions by ancient scientist

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this

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