Answer:
B. consider whether he ought to go back to find more evidence
C. think about whether he needs to change his perspective
Explanation:
When making research and the researcher discovers that his initial ideas support a different perspective, he should consider whether he needs to go back and get more evidence and whether he needs to change his perspective, so that the ideas would match the perspective.
D. Decades before men walked on the moon
A snack is food that you get in between meals. a smack is a force that is apllied by a body part
Characters thoughts and actions
Characters appearances and ways of dressing
Characters responses to other characters