a British naturalist who became famous for his theories of evolution and natural selection. In South America, Darwin found that fossils of extinct animals [waswere]
similar to modern species. Many people [was were]
strongly opposed to the idea of evolution because it conflicted with their religious beliefs. Throughout his life, Darwin [was were]
a reserved, thorough, hardworking scholar
When Albert Einstein [waswere] young, his parents worried about him. Einstein's parents [was were] concerned that Albert [was were] "slow." Albert [was were] a terrible student who didn't want to attend classes regularly and take exams .Einstein's best-known work, the theory of relativity, [was were] published in 1905.Unfortunately, the theory of relativity [was were] used to create the atomic bomb.