contestada

Historical sources are most likely valid if they:
OA. describe popular opinions.
OB. are based on accurate facts.
OC. can be found in textbooks.
OD. are produced by the government.

Respuesta :

Answer:

ob. are based on accurate facts

Explanation:

oa ; opinions are not facts

oc ; some textbook writers may be biased. some textbooks may be oudated

od ; government may be biased