Need asap which of these was a negative result of the columbian exchange? a. native americans sold furs to europeans b. new crops were grown in africa c. desease killed millions of native americans d. new food sources were taken to europe

It is C Disease killed millions of native americans.

The reason this answer is correct is becuase A B and D are all good effects, you are looking for a NEGATIVE effect. hope this helps!

valentina tereshkova

soviet cosmonaut valentina tereshkova became the first woman to fly to space when she launched on the vostok 6 mission june 16, 1963. valentina tereshkova was the first woman to go into space. in 1963, she spent almost three days in space and orbited earth 48 times in her space capsule, vostok 6.jan 22, 2018