Which of the following statements is false?

a)all atoms are the same.

b)in a neutral atom, there are equal numbers of protons and electrons.

c)atoms can share electrons.

Which of the following describes classical civilizations? they grew slowly and had a very short lifespan. they were unable to carry out long-distance trade. they made lasting impressions in art and architecture.

Select the word from the list that best fits the definition a city-state in ethiopia

Which of the following studies is linked most directly to the establishment of the national research act in 1974 and ultimately to the belmont report and federal regulations for human subject protection? a. the public health service tuskegee study of untreated syphilis in the negro male.b. stanford prison experiment (zimbardo).c. tearoom trade study (humphreys).d. the harvard t3 study.