Question

read the excerpt.
select the correct answer and press the submit button.
read this sentence from the selection. this sentence serves to
a highlight other countries that had already developed an atomic bomb.
b explain the top - secret conditions that were needed to construct an atomic bomb.
c inform the reader of the early research that led to the creation of the atomic bomb.
d compare different countries that were conducting tests with the atomic bomb.
european physicists had figured out how to split the nucleus of an atom in late 1938.

Explanation:

The sentence mentions that European physicists had figured out how to split the nucleus of an atom in 1938. This is early research. Splitting the atom's nucleus was a crucial step in the development of the atomic bomb. Option A is incorrect as the sentence doesn't say other countries had developed an atomic bomb. Option B is wrong because it doesn't mention top - secret conditions. Option D is incorrect as there's no comparison of countries conducting tests.

Answer:

C. inform the reader of the early research that led to the creation of the atomic bomb.