Who wrote one of the first books about geometry called elements

In the mid-1960s scientists created the two person gemini spacecraft that achieved many things in space. this new three person spacecraft took americans to the moon in july of 1969. a. discovery c. explorer b. columbia d. apollo

Which conditions did austria demand of serbia after the assassination of archduke ferdinand? check all that apply. 1. swearing allegiance to the triple alliance 2. accepting responsibility for the assassination 3. turning over control of its military operations 4. surrendering half of its most fertile lands 5. suppressing anti-austrian groups and publications

How did kahlo’s worsening health affect her art? a she was unable to paint as much as she used to because of her health. b she used darker colors in her paintings because her mood was affected. c she used to paint to her feel better and she painted with greater passion. d she painted herself less often because she wasn’t confident in her appearance.